You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help 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 with that reservation change. May I know your name please?

USER: My name is Susan Thompson.

ASSISTANT: I have found your previous reservation with your name in our database. Can you please share your new preferable airport codes?

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

ASSISTANT: May I know your new travelling dates, please?

USER: I would like to take off on Dec 28 and return on Dec 30.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am ok with any class.

ASSISTANT: Is there any particular time for departing and returning?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with 1 connection.

ASSISTANT: Delta Airlines are providing a flight-1024 with connection limit-1 and the ticket fare is 100. Shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Susan Thompson, your booking is done in economy class, the depart time is 18:00 PM and return time is 15:00 PM.

USER: I appreciate your help, thank you.

ASSISTANT: Most welcome, thank you for choosing our agency. Have a safe journey.

USER: You are welcome.