user: I accidentally booked the wrong flight to Siem Reap. The US office is closed. Can someone assist me today?
agent: Oh no! Kindly DM us the booking number, we'll see what we can do, Miata. May we also know what seems to be wrong? -Miza
user: Cizh7s is the booking number. I booked for 12/4 and I meant 1/4. I was hoping to find a way to change dates without a charge since I just booked.
agent: Sorry Miata, as booking is confirmed and payment are non-refundable. However as a gesture of goodwill, we may refund in &gt;&gt; &gt;&gt; term of Credit Account if you can provide us the new booking with correct date/time. Please refer here &gt;&gt;on how to use and validity of Credit Shell. :) -Amie
user: I dont see a credit in my account?
agent: You can make a flight change but it is subject to Change Fee + Fare Difference, Miata. Again, as a gesture of goodwill we may &gt;&gt; &gt;&gt; offer you Full Credit Account provided you make a booking for the correct one as claimed first. DM us for assistance. -Miza
user: ok. I sent a DM. hopefully I can recieve the credit to rebook. Can someone give me a call? I dont see a credit or a way to rebook without buying 2 more tickets.
agent: Hi there, non-refundable once the ticket is confirmed. What we mean is you have to buy a new booking first and we will &gt;&gt; &gt;&gt; refund you in credit shell after receiving a new booking number from you. If you need further assistance, &gt;&gt; &gt;&gt; you may refer to this link for our call centre. Sorry for any inconvenience caused.-Jimy

Customer has booked for a wrong flight. since the US office is closed wanted someone to assist and also want to know about the credit shell. Agent asked about the booking number from the customer and informed that since the payment is non refundable has provide URL for further assistance.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: I accidentally booked the wrong flight to Siem Reap. The US office is closed. Can someone assist me today?
agent: Oh no! Kindly DM us the booking number, we'll see what we can do, Miata. May we also know what seems to be wrong? -Miza
user: Cizh7s is the booking number. I booked for 12/4 and I meant 1/4. I was hoping to find a way to change dates without a charge since I just booked.
agent: Sorry Miata, as booking is confirmed and payment are non-refundable. However as a gesture of goodwill, we may refund in &gt;&gt; &gt;&gt; term of Credit Account if you can provide us the new booking with correct date/time. Please refer here &gt;&gt;on how to use and validity of Credit Shell. :) -Amie
user: I dont see a credit in my account?
agent: You can make a flight change but it is subject to Change Fee + Fare Difference, Miata. Again, as a gesture of goodwill we may &gt;&gt; &gt;&gt; offer you Full Credit Account provided you make a booking for the correct one as claimed first. DM us for assistance. -Miza
user: ok. I sent a DM. hopefully I can recieve the credit to rebook. Can someone give me a call? I dont see a credit or a way to rebook without buying 2 more tickets.
agent: Hi there, non-refundable once the ticket is confirmed. What we mean is you have to buy a new booking first and we will &gt;&gt; &gt;&gt; refund you in credit shell after receiving a new booking number from you. If you need further assistance, &gt;&gt; &gt;&gt; you may refer to this link for our call centre. Sorry for any inconvenience caused.-Jimy

### Response:
Customer has booked for a wrong flight. since the US office is closed wanted someone to assist and also want to know about the credit shell. Agent asked about the booking number from the customer and informed that since the payment is non refundable has provide URL for further assistance.