You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: My name is Thomas Taylor. Actually, I booked a ticket to NYC to attend a concert but due to bad weather, my trip is cancelled.

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

USER: Sure, take your time.

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

USER: That's ok. Thank you.

ASSISTANT: You are welcome.