You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no reservation found with your name.

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

ASSISTANT: Thanks for choosing us, have a good day.