You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: May I know your name please to proceed further?

USER: I am Robert Taylor.

ASSISTANT: Please be on hold for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on our database at the moment.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.