user: 4. charged my husband and I double to check bags @ gate. Told we agreed to this “like 7 times” when we booked. #aircomplaints
agent: The Basic Economy rules are listed under the blue hyper link with the I to the left of it with the circle around it and next to select.
user: Is this in your imagination? Or is it in teeny tiny print that we shouldn’t have missed? Never heard of Group 9 being the one group who can’t use overhead bins.
agent: Prior to selecting the flight, Basic Economy is stated in blue next to the time and a large pop up box comes up with all the details.
user: No info for carry-on... well not until customers are surprised at the gate! Would like $100 back please. #aircomplaints
agent: The details are made available prior to selecting your flights. Please continue working with Expedia for more info.

Customer is complaining about airline as they charged  them and also checks their bags at the gate. Agent makes her understood the basic economy rules of flight and takes feedback.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: 4. charged my husband and I double to check bags @ gate. Told we agreed to this “like 7 times” when we booked. #aircomplaints
agent: The Basic Economy rules are listed under the blue hyper link with the I to the left of it with the circle around it and next to select.
user: Is this in your imagination? Or is it in teeny tiny print that we shouldn’t have missed? Never heard of Group 9 being the one group who can’t use overhead bins.
agent: Prior to selecting the flight, Basic Economy is stated in blue next to the time and a large pop up box comes up with all the details.
user: No info for carry-on... well not until customers are surprised at the gate! Would like $100 back please. #aircomplaints
agent: The details are made available prior to selecting your flights. Please continue working with Expedia for more info.

### Response:
Customer is complaining about airline as they charged  them and also checks their bags at the gate. Agent makes her understood the basic economy rules of flight and takes feedback.