You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Myself Nicholas Hall. Owing an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Ok, take your time.

ASSISTANT: Sorry Hill, there are no flights reserved on your name.

USER: It's ok, thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.