You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Miller.

ASSISTANT: How may I guide you today?

USER: Can you please help me in cancelling my recent reservation?

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

USER: Ok.

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

USER: Ok, sure.

ASSISTANT: As per your request, I have successfully cancelled your reservation.

USER: Ok, fine thank you for checking.

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