You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Davis.

ASSISTANT: How may I be of your help?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, I'll help you in cancellation. Please wait a moment I will check the reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting, happy to inform you that we found a reservation by your name. Shall I cancel the ticket?

USER: Please proceed to cancel.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.