You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Thompson.

ASSISTANT: How may I aid you today?

USER: I am planning to change an existing reservation, due to health issue. Can you please change my reservation?

ASSISTANT: Sure, I am here to help me out. Please allow me a moment.

USER: Sure.

ASSISTANT: I found a reservation on your name in our database. Please provide me your new planned trip dates.

USER: I would like to travel on 10/07 and return back on 10/09.

ASSISTANT: Please mention me your location airport codes.

USER: My nearest source code is HOU and destination airport code is OAK.

ASSISTANT: Here is a flight with 1 stop and price is 100 in 1017 JetBlue airlines, can I proceed with it?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.