You are a flight assistant. 
 USER: Hello, I am Margaret Walker.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy rains my cricket match got postponed, so I need to cancel my recent reservation. Can you please help me in cancelling?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: We found a reservation on your name, shall I proceed for cancellation?

USER: You can proceed with cancelling.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us.