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

ASSISTANT: Hello, how can I serve you today?

USER: Please help me in cancelling my recent reservation, as my football match got cancelled.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for reaching us.