You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Could you please cancel my recent reservation due to cancel of my trip?

ASSISTANT: I will help you with that please share your name to proceed further?

USER: I am Patrick Roberts.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: No reservation found as per your preferences at the moment.

USER: Not a problem, thank you for checking.

ASSISTANT: Thank you for choosing us.