You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you?

USER: I am Joseph Brown.

ASSISTANT: Ok.

USER: I want to book a ticket to round trip to Boston MA - BOS.

ASSISTANT: Ok.

USER: Please help in booking a flight ticket on 03/27.

ASSISTANT: Sure, May I have your return journey date?

USER: My return date is 03/29.

ASSISTANT: Ok. You have Spirit airline with flight number 1002. There is a connecting flight. May I confirm your ticket?

USER: Please reserve.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you.