You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I need to cancel my reservation which I have done to attend a meeting but suddenly it got cancelled so, can you please help me with that?

ASSISTANT: Sure, I will help you on that.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your previous reservation status?

USER: Sure, please check with the name of Carolyn Jones.

ASSISTANT: Ok Jones, please hold on a moment to check.

USER: Sure, take your time.

ASSISTANT: We regret that, there is no reservation found with your name in our records.

USER: Oh! It may be not booked properly. Anyway, thank you for your time.

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

USER: Welcome.