You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What do you expect from our travel agency?

USER: My name is Thomas Green and I need an advance flight ticket booking, can you pleas help me in that one?

ASSISTANT: Sure, I can help you with that one. May I know your travel airport codes?

USER: Sure, I have to fly from BOS and land on OAK region.

ASSISTANT: Ok, can you please tell me your trip dates?

USER: I am planned to start on 12/20 and catch the return flight on 12/22.

ASSISTANT: Based on your travel dates, I have found a flight in Southwest airlines which is with connection limit 1 and the ticket fare is 200. Can I reserve your ticket?

USER: That's perfect, you can proceed with ticket booking.

ASSISTANT: Ok, your ticket is confirmed successfully and the flight number is 1013.

USER: Thank you for your help in my ticket booking.

ASSISTANT: My pleasure, thank you for communicating with our travel agency.