You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, I am here to help you. May I know your name to proceed?

USER: Sure, my name is Jennifer Lee.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: We have found a reservation on your name. May I know your source and destination airport codes?

USER: My source airport code is LAX and the destination airport code is DEN.

ASSISTANT: Can you please share me your travel dates?

USER: I would like to take off on Mar 26 and return on Mar 28.

ASSISTANT: Let me know your maximum connection limit, please.

USER: I am looking for a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any airline preference?

USER: I prefer to travel in normal cost airline.

ASSISTANT: May I know your depart and arrival timings?

USER: I am ok with any timings.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there are no flights found on your desired routes.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us, have a happy trip.

USER: You are welcome.