You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have done a reservation recently to attend a summit regarding women empowerment but suddenly it got cancelled so can you please help me with cancelling my reservation?

ASSISTANT: Ok. May I know your name?

USER: Sure, reservation is under my under the name of Sarah Thompson.

ASSISTANT: Ok, please wait a minute. There is no reservation found under your name.

USER: Oh! May be booking is not done properly. Anyway, thank you for your time.

ASSISTANT: Most welcome.