You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thank you.

ASSISTANT: Please let me know your name.

USER: Sure, my name is Stephen Lopez.

ASSISTANT: Give wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, we found a reservation by this name. Shall I cancel the ticket?

USER: Yes, please cancel my ticket.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for the help.

ASSISTANT: Thank you.