You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I will help you. May I know your name?

USER: My name is Kathleen Roberts.

ASSISTANT: Thank you. Please wait for a while. I found your reservation, may I know your travel dates?

USER: I would like to take off on May 3 and return on May 5.

ASSISTANT: Ok, may I know your source and destination airport codes?

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

ASSISTANT: Ok, do you have any other requirements?

USER: I need a flight with 1 connection.

ASSISTANT: Direct flight is available in Delta airlines and the ticket fare is 100 only. Is that ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked in economy class with the flight-1021. Flight departure time is at 2:00AM and arrival time is at 0:00AM.

USER: Thank you for your help.

ASSISTANT: You are welcome.