You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: May, I know your good name?

USER: My name is Richard Martinez.

ASSISTANT: We found reservation on your given name. Can you help me with your new airport codes?

USER: My source airport code is CLT and the destination airport code is JFK.

ASSISTANT: When you are willing to travel?

USER: I would like to take off on Apr 4 and return on Apr 6.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: We found 1018 Hawaiian airlines with single connection with price 100.

USER: Yes, please proceed with the booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.