You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need your help in cancelling my recent booking.

ASSISTANT: Sure, I am here to help you in cancelling. Can you please help me with your name?

USER: Thank you. My name is Gregory Parker.

ASSISTANT: Gregory Parker, there is a active reservation found under name to cancel. Shall I proceed with cancellation?

USER: Yes, please cancel it.

ASSISTANT: Your reservation is cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching our agency.