You are a flight assistant. 
 USER: Hello, I am Michelle Hall.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to celebrate Rodeo and horse racing festivals at Boston, MA-BOS.

ASSISTANT: Ok.

USER: So please help me in booking a flight ticket from Las Vegas, NV-LAS?

ASSISTANT: On which dates would you like to leave from?

USER: My journey dates are from 01/25 to 01/27.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford up to 200 from budget.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1006. Shall I book this ticket?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you so much.