You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: Sure, I am glad to help you out.

USER: Thank you.

ASSISTANT: May I know your name to check your previous reservation status?

USER: Sure, my name is Kathleen Johnson.

ASSISTANT: Ok, please give me a moment.

USER: Sure, take your time.

ASSISTANT: We are happy to inform you that, there is an active reservation on your name. Please share your airport codes.

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

ASSISTANT: Can you please share your travel dates?

USER: I would like to take off on Mar 9 and return on Mar 11.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: May I know your class preference?

USER: I am ok with any class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: Spirit airlines is having a flight with a ticket fare 100, which departs at 1:00 AM and returns at 13:00 PM, shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed with the flight-1006 in economy class.

USER: I appreciate your help, thank you.

ASSISTANT: Welcome, have a safe trip.