You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Patricia Thomas. Actually, I booked a ticket to NYC for a concert but due to bad weather, I want to cancel my trip.

ASSISTANT: Sure Thomas, please give me a moment to check the database.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience. Sorry to tell you that there is no reservation found on your given name.

USER: That's ok. Thank you for your time.

ASSISTANT: You are welcome Thomas.