You are a flight assistant. 
 USER: Hi, Nancy Hill here.

ASSISTANT: Hello, good morning. Hill, how can I assist you today?

USER: I want to spend my weekend time with my parents at BOS, can you please book me a ticket on 11/27?

ASSISTANT: Sure, can you provide your nearest airport code and your return date from BOS?

USER: I need to depart from MCO and I want to return on 11/29.

ASSISTANT: There is a flight available with Southwest airlines, shall I proceed with booking your ticket?

USER: Yes, please proceed with booking if the ticket price is 500 or below 500.

ASSISTANT: Your ticket is booked successfully with the flight number 1004 and the ticket fare is 100.

USER: Thank you so much for booking.

ASSISTANT: Thank you for choosing us, have a safe flight.