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

ASSISTANT: Hello, how may I provide assistance to you?

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

ASSISTANT: Sure, I will help you in cancellation. Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for opting us.