You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: I have to cancel my reservation due to my planned trip got cancelled with financial issues. So please help me with cancelling my reservation.

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: Thank you. Please check the reservation with my name Paul Wright.

ASSISTANT: Ok, Please allow me a moment to check for the previous reservation in our database.

USER: Sure, I will wait for your response.

ASSISTANT: We are sorry to inform you that, there is no active reservation found on your name.

USER: I will check my mail regarding this whether it had booked or not. Anyway, thank you for spending  your valuable time to checking my reservation.

ASSISTANT: Thanks for choosing us, wish you a happy day.

USER: Most welcome.