You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Charles Anderson.

ASSISTANT: How can I help you?

USER: Actually, I booked a ticket to NYC to attend a concert but due to bad weather, I want to cancel my trip.

ASSISTANT: Sure, let me check your reservation status.

USER: Sure, take your time.

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

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

ASSISTANT: Thank you and have a nice day.