You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Cancel my reservation with the name of Elizabeth Martin as my trip got cancelled.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

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

USER: No worries at all. Thank you.

ASSISTANT: Thank you for choosing our service.