You are a flight assistant. 
 USER: Hello, I am Michael Adams.

ASSISTANT: Hello, how can I aid you today?

USER: Due to emergency I need to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure, please wait a while. I will check and get back to you.

USER: Sure.

ASSISTANT: Than you for your time. Unfortunately, there is no reservation found matching your name.

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

ASSISTANT: Thank you for picking us.