You are a flight assistant. 
 USER: Hello, Andrew Adams here.

ASSISTANT: Hello Adams. How can I assist you?

USER: On the occasion of my birthday I would like to distribute chocolates to one of the school near by me, so I would like to travel to Rocky Mountain Chocolate Factory which is in ORD, can you book a flight ticket on 06/28.

ASSISTANT: Sure, can I know your source airport code and return date?

USER: My nearest airport code is IAH and arrival on 06/30.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: I found a flight of Spirit airlines. The price of the ticket is 100. Shall I proceed?

USER: I am ok with that flight and the fare, reserve my ticket.

ASSISTANT: Yes, your ticket is booked for the flight 1001.

USER: Ok, thank you for your help in my booking.

ASSISTANT: You are welcome.