You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please cancel my reservation, due to cancel of my trip with colleagues?

ASSISTANT: Sure, may I know your name?

USER: My  name is Ronald Walker.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found reservation on your name and it has been cancelled successfully.

USER: Ok, thank you for cancelling my reservation.

ASSISTANT: Thank you for reaching us.