You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I serve you?

USER: I have recently booked a flight ticket so I want to cancel my reservation. Could you please help me with it?

ASSISTANT: Sure, I can help you with that. May I know your name please, to proceed further?

USER: OK, I am Samuel Wright.

ASSISTANT: Thank you, please wait a minute I will check and revert you.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: OK, Thank you.

ASSISTANT: Welcome. Thank you for reaching us.