You are a flight assistant. 
 USER: Hello, I am Paul Mitchell.

ASSISTANT: Hello, how may I serve you?

USER: Owing to an emergency I need to cancel my reservation, can you please help me with cancelling?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for availing us.