You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patrick Nelson.

ASSISTANT: How can I assist you?

USER: Actually I made a reservation to NYC for my birthday, but due to some reasons, I am unable to travel.

ASSISTANT: Ok.

USER: Could you help me in cancelling the reservation?

ASSISTANT: Sure, I can help you with that. Please be on hold, I will check your details.

USER: Sure, take your time.

ASSISTANT: Patrick, there is no active reservation found under your name to cancel.

USER: That's fine, anyway's I wanted to cancel the reservation.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your time.

ASSISTANT: Welcome.