You are a flight assistant. 
 USER: Hello, I am Patrick Hall.

ASSISTANT: Hello, how may I aid you today?

USER: Owing to an emergency I want to cancel my resent reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no reservation found with your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.