user: agent didn't let me change my flight to earlier one that was half empty bc my original flight was on time. Now stuck in NC It was so easy. Now I don't even know at what time I'll get to Chicago...
agent: We're sorry for the frustration, Mauricio. We'll have you in ORD as soon as possible.
user: I would have been at home by now. The funny thing is that this flight is full so they could have easily use my seat too.. non sense Flight to ORD is now delayed, without any updates
agent: What's your flight number? We'll take a look for you.
user: AA0623
agent: We're showing you're estimated to depart at 12a. You can check the status here:
user: Seriously!? We will get to Chicago super late. Even more mad that agent didn't allow me to change flight in Richmond. I even offered paying
agent: So sorry for the troubles tonight. Our crew will try to make up as much time as we can while we're in the air for an earlier landing in ORD.
user: We are here (super late), but no gate agents so we are trapped inside the place. Get your stuff together.
agent: We'll get you on your way as soon as possible. We're so sorry for the delay.

Customer is complaining about the delay of the flight where the agent didn't allow him to change his original flight. Agent apologized and states that the crew team will try to cover as much as time consumed while landing to ORD.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: agent didn't let me change my flight to earlier one that was half empty bc my original flight was on time. Now stuck in NC It was so easy. Now I don't even know at what time I'll get to Chicago...
agent: We're sorry for the frustration, Mauricio. We'll have you in ORD as soon as possible.
user: I would have been at home by now. The funny thing is that this flight is full so they could have easily use my seat too.. non sense Flight to ORD is now delayed, without any updates
agent: What's your flight number? We'll take a look for you.
user: AA0623
agent: We're showing you're estimated to depart at 12a. You can check the status here:
user: Seriously!? We will get to Chicago super late. Even more mad that agent didn't allow me to change flight in Richmond. I even offered paying
agent: So sorry for the troubles tonight. Our crew will try to make up as much time as we can while we're in the air for an earlier landing in ORD.
user: We are here (super late), but no gate agents so we are trapped inside the place. Get your stuff together.
agent: We'll get you on your way as soon as possible. We're so sorry for the delay.

### Response:
Customer is complaining about the delay of the flight where the agent didn't allow him to change his original flight. Agent apologized and states that the crew team will try to cover as much as time consumed while landing to ORD.