You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to cancel my reservation?

ASSISTANT: May I know your name to check your reservation?

USER: My name is Frank Allen.

ASSISTANT: I found your reservation, would you like me to cancel it?

USER: Yes, proceed with that.

ASSISTANT: Ok, ticket has been cancelled.

USER: Thank you for your help in cancelling.

ASSISTANT: Welcome, have a good day.