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

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to cancel  my recent reservation due to my tournament got cancelled.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: We are happy to inform you that, we found a reservation on your name.

USER: Ok, you can proceed with the cancellation.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks for your assistance.

ASSISTANT: Thanks for reaching us.