You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Amy Garcia here.

ASSISTANT: How can I aid you?

USER:  I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation?

ASSISTANT: Sure, I will help you with that. Amy Garcia, we found your recent reservation, can you help me with your new airport code please?

USER: Source airport code is ATL and destination airport code is DTW.

ASSISTANT: May I know your journey dates please?

USER: The travel dates are from 11/10 to 11/12.

ASSISTANT: JetBlue airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please proceed with that.

ASSISTANT: Your ticket is booked with the flight-1014.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.