You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: I am Cynthia Turner.

ASSISTANT: How can I be your helping hand today?

USER: My friend marriage was post postponed so I need to change my reservation, can you please help me to change my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry there is no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thanks for your kind service.