You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, We are here to help you. May I know your name?

USER: Sure, myself Margaret Allen.

ASSISTANT: Give me a minute.

USER: Sure, take your own time.

ASSISTANT: We found a reservation by this name and it has been cancelled successfully.

USER: Thank you for your help in cancelling my reservation.

ASSISTANT: Thank you for reaching us.