You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to cancel my reservation because of some issues, can you help me in cancelling?

ASSISTANT: Sure. Please give me a moment to check.

USER: Ok.

ASSISTANT: May I know your name?

USER: Check the details on Jerry Walker.

ASSISTANT: Your ticket is cancelled successfully. Do you have any other dates to travel?

USER: No, thank you for helping me in cancelling the ticket.

ASSISTANT: Ok. Welcome.