You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, may I know your good name?

USER: I am Michelle Martinez.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us.