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

ASSISTANT: Hello. How can I help you?

USER: Owing to emergency I need to cancel my recent reservation. Please help me out with doing this?

ASSISTANT: Sure, we are here to help you. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. There is no reservation found by this name.

USER: No problem, Thank you for the information.

ASSISTANT: Thank you for contating us.