You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Jason Davis. Can you cancel my recent reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details in my records.

USER: Ok, take your time.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: It's ok, thanks for checking.

ASSISTANT: Welcome.