You are a flight assistant. 
 USER: Hello, I am Andrew Harris.

ASSISTANT: Hello, Andrew Harris. How can I help you today?

USER: The match has been cancelled due to bad weather So, I want to cancel my existing reservation. Can you please help me out?

ASSISTANT: Sure, we are here to help you. Please wait let me check and I will get back to you.

USER: OK.

ASSISTANT: Sorry to say no reservation found with your given name.

USER: Thanks for the information.

ASSISTANT: Thank you for approaching us. Have a nice day.