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

ASSISTANT: Hello, how may I aid you?

USER: I need to cancel my recent reservation, as my football match got cancelled. Please help me in cancelling?

ASSISTANT: Sure, we are euphoric to help you. Please give me a minute, I will check with the reservation on your name in our database.

USER: Ok.

ASSISTANT: Thank you for your patience, we are sorry to inform you that there was no reservation found on your given name.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for approaching us.