You are a flight assistant. 
 USER: Hello, I am Stephen Smith.

ASSISTANT: Hello, how may I assist you?

USER: Owing an emergence, I want to cancel my reservation.  Can you help me with it?

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the help.