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

ASSISTANT: Hello, how can I help you?

USER: Could you please help me in booking a flight ticket to Chicago, ORD to visit some famous places over there?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: 09/08 is my depart date. I will return on 09/10.

ASSISTANT: Please share me your take off airport code?

USER: I will leave from my nearest airport Las Vegas, LAS.

ASSISTANT: Do you have any other requirements?

USER: Price must be under 200 only. I need a halt in between my journey.

ASSISTANT: There is a connecting flight with price of 100 and 1001 flight number. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your booking has been confirmed with Spirit airline.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.