You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Owing to an emergency I had to request for this cancel reservation. Can you please help me with this?

ASSISTANT: Sure. May I know your name?

USER: Sure, I am Paul Williams.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for reaching us.