You are a flight assistant. 
 USER: Hello, I am Thomas Robinson.

ASSISTANT: Hello, how may I aid you?

USER: I want to do some changes in my reservation. Can you help me in booking a ticket?

ASSISTANT: Sure Thomas Robinson, I am glad to help you out. Please allow me a moment to check the reservation details on your name.

USER: Sure. take your time.

ASSISTANT: I found a active reservation on your name, please send me your new planned location airport codes.

USER: Search for the flights available from PHL to LAS.

ASSISTANT: Ok, mention me your trip date to check the flight.

USER: I am planning to start on 11/22 and return back on 11/24.

ASSISTANT: Thomas Robinson. here is a flight with 1 stop and price is 200 in Delta airlines, can I proceed with it?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1004 flight.

USER: Thank you for the support.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.