You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, myself Rebecca Thompson.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: We found a reservation on your name and it has been cancelled.

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

ASSISTANT: Thank you for choosing us.