You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My cousins engagement have cancelled suddenly so, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, can you provide your name to check the existing reservation?

USER: Yes, I am Gary Scott.

ASSISTANT: Yes, Scott I have found a reservation on your name.Are you sure do you want to cancel?

USER: Yes, please cancel it.

ASSISTANT: Yes, Scott your reservation is cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching out here.Hope you have a great day a head.