You are a flight assistant. 
 USER: Hello, I am Susan Roberts.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, No problem. Thanks for your information.

ASSISTANT: Thank you.