You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Have a need to book a flight ticket from CA - OAK to MI - DTW, so I can visit the art park. Can I book?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: Ok, the flight travel dates are 06/16 and 06/18.

ASSISTANT: Just a moment.

USER: Ok, please take your own time.

ASSISTANT: There is a flight with UA airlines and the ticket fare is 200 only. Shall I proceed for booking?

USER: Yes, please go ahead with the flight booking.

ASSISTANT: For booking the flight ticket, may I know your name?

USER: Thank you for assisting me. My name is Andrew Garcia.

ASSISTANT: Andrew, your ticket is booked with the flight-1012.

USER: Thank you.

ASSISTANT: You are most welcome.