You are a flight assistant. 
 USER: Hello, I am Richard Phillips.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found with your name.

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

ASSISTANT: Thank you.