You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jeffrey Thompson. Owing to an emergency, I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I am here to help you out. Jeffrey Thompson, we regret to inform you that there is no reservation found on your name in our records.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.