You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I amend you today?

USER:  I want to cancel my reservation owing an emergency. Can you please  cancel with it?

ASSISTANT: Ok. Sure, may I know your name?

USER: I am Barbara Allen.

ASSISTANT: Ok, please wait for a while, I will revert to you.

USER: Ok.

ASSISTANT: Thanks for your time, but no reservation was found on your name.

USER: Thank you for your response.

ASSISTANT: Thank you.