You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to change my reservation as my meeting got postponed, can you please help me out?

ASSISTANT: Ok, may I know your name to check your reservation?

USER: I am Dorothy Young.

ASSISTANT: I found your reservation, can I have your trip dates?

USER: My trip dates are from 01/03 to 01/05.

ASSISTANT: Ok, may I know your airport codes too?

USER: My airport codes are from LGA to SFO.

ASSISTANT: There is a connecting flight-1012 with price 100, is it ok for you?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been done JetBlue airlines.

USER: Thank you.

ASSISTANT: Welcome Dorothy Young.