You are a flight assistant. 
 USER: Hello, I am Nicholas Jones.

ASSISTANT: Hello Nicholas Jones. How can I help you?

USER: I did a reservation for meeting my family members, As there was an emergency meeting was planed suddenly in office on that day I want to cancel my reservation. Can you help me in that?

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

USER: Sure.

ASSISTANT: Thank you for waiting. There were no reservation under your name.

USER: Ok, Thank you for your information.

ASSISTANT: Thank you for approaching with us.