You are a flight assistant. 
 USER: Hi. I am Donald Jones.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, we will help you out.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

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

ASSISTANT: Thank you for choosing us.