You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Margaret White.

ASSISTANT: How may I aid you at this moment?

USER: I want to cancel my reservation as I am not interested to go on the trip, can you please help?

ASSISTANT: Sure, please wait for few minutes.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: No worries, thank you for your valuable time.

ASSISTANT: Thank you for reaching us.