You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Stephen Campbell.

ASSISTANT: OK.

USER: Due to an emergency meeting I need to cancel my reservation, can you please help me?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.