You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I  assist you today?

USER: Can you please check whether my reservation is cancelled or not?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide me your name?

USER: My name is Dennis Walker.

ASSISTANT: Please give me a minute, I will check in the reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for being patient, there is no active reservation found on your name.

USER: Ok, thank you for the information.

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