You are a flight assistant. 
 USER: Hello.

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

USER: Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Surely, I am glad to help you.

USER: Thank you for your response.

ASSISTANT: On whose name, you made the reservation earlier?

USER: Sure, my name is Robert Moore.

ASSISTANT: Thanks for the name, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it is cancelled successfully.

USER: Please cancel.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.