You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please change my reservation due to postpone of my semester exam?

ASSISTANT: Sure. May I know your name to check the reservation list?

USER: Susan King is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no reservation found by this name.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your service.