You are a flight assistant. 
 USER: Hi, my name is Helen Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: Due to the sudden weather change my Soccer tournament has been cancelled.

ASSISTANT: Ok.

USER: So I had a request to you to cancel my existing reservation.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: Ok, thanks for your valuable information.

ASSISTANT: Thanks for approaching us.