You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at present?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, we are glad to help you with cancellation. May I know your name please?

USER: I am Rebecca Baker.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok, take your time.

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

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for choosing us.