You are a flight assistant. 
 USER: Hi, I am William Carter.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me in booking a flight ticket from Orlando, FL - MCO to Los Angeles, CA - LAX?

ASSISTANT: Sure, please provide your travelling dates.

USER: My trip dates are 08/17 - 08/19.

ASSISTANT: Ok, May I know your price limit?

USER: I can afford up to 200 only.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, There is a flight found in 1029 AA plane with a halt. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.