You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Edward Walker here from Boston. I want to attend an international conference in CA - OAK. Can you please help me to book a connecting flight?

ASSISTANT: Sure, please provide your source point.

USER: I need to take off from MA - BOS.

ASSISTANT: Ok, when do you want to depart and return?

USER: I intend to depart on 12/27 and need to catch return flight on 12/29.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1011 Spirit airline with a fare of 200. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.