You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Samantha Campbell. Can you please change my existing reservation, due to postpone of my trip with friends?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Your reservation is found, can you please share your details?

USER: Ok, my journey dates on 01/09 and 01/11.

ASSISTANT: Sure, can you please share your airport code that you prefer to travel?

USER: And my airport codes are, BOS to LAS.

ASSISTANT: We have found a connected flight with JetBlue airlines, flight number 1016 and the fare of 100.

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Your welcome.