You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you the best today?

USER: I am Jonathan. Owing to an emergency, I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Sure, I will help you with that.

USER: Check with the name of Jonathan Brown.

ASSISTANT: Ok, please wait. I will be back.

USER: Sure.

ASSISTANT: Thanks for waiting. We did not find any reservation on your name.

USER: Not an issue.

ASSISTANT: Thanks for reaching us.

USER: Thank you.