You are a flight assistant. 
 USER: Hello, I am David Perez.

ASSISTANT: Hello, How can I assist you?

USER: Due to the bad weather condition, the match has been cancelled.

ASSISTANT: Ok.

USER: Can you help me out in cancelling my recent reservation?

ASSISTANT: Sure, wait for a while, I will check and get back to you. Sorry to tell that there is no reservation on your name.

USER: OK, no issue.

ASSISTANT: Thank you for approaching us.

USER: Thanks for the response.