You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, can I know your name please.

USER: Jessica Perez here.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.