You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Taylor.

ASSISTANT: How can I amend you?

USER: My exam has been cancelled due to some issues, can you cancel my recent reservation?

ASSISTANT: Sure. Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for availing us.