You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to change my reservation due to my planned trip got postponed. So  please  help me with that.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, myself Sarah Carter.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found reservation on your name, Can you share me your travelling dates?

USER: I have planned my travel  dates as Nov 20 and Nov 22.

ASSISTANT: May I know your airport codes?

USER: Sure, ORD and JFK are the airport codes of my locations.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found American airlines with connecting flight and number 1025 fare of 100, Shall I proceed for booking?

USER: That is fine,  please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.

USER: Most welcome.