You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Joseph Hill, want to go to DEN for friends get together. Can you book my ticket from OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 12/01 to 12/03.

ASSISTANT: There is a flight available as per your request in Delta airline with 1 connection. Shall I proceed your booking?

USER: Please proceed with my flight ticket booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your good service.

ASSISTANT: Most welcome.