You are a flight assistant. 
 USER: Hello, I am Karen Walker.

ASSISTANT: Hello, how may I aid you?

USER: My family trip got cancelled so, I want to cancel my reservation. Can you help me with cancelling?

ASSISTANT: Sure, please wait a moment meanwhile I'll check the details of the reservation on your name.

USER: Ok.

ASSISTANT: Thanks for waiting, found the reservation with your name. Shall I proceed with the cancellation?

USER: Yes, you can proceed. Thank you for your response.

ASSISTANT: Ok, your cancellation is done successfully.

USER: Thank you.

ASSISTANT: You are welcome. Have a nice day!.