You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Roberts.

ASSISTANT: In which way I can assist you today?

USER: I want to cancel my recent reservation, as I am not interested to travel.

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, there is no reservation on your name in our records.

USER: Ok, not an issue. Thank you for your time.

ASSISTANT: Thank you for opting us, hope you have a great day.