You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, we are here to help you. Wait for a moment.

USER: Thank you. Ok.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

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

ASSISTANT: Thanks for approaching us.