You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, may I know your name please?

USER: Matthew Turner.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry Turner, there is no active reservation found with your name in our records.

USER: That's ok. Anyways, thank you.

ASSISTANT: Most welcome.