You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: My name is Alexander Baker. As I am a sports person, I would like to participate in a tournament which is to be held at  Atlanta. For this I want to  book a ticket to ATL with 1 connection.

ASSISTANT: Sure, kindly provide me your travel dates.

USER: My travelling dates are from 04/16 to 04/18.

ASSISTANT: Can you provide me your origin airport code?

USER: And my source code  is at IAH. With the price limit of 200.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection. Can I proceed with booking?

USER: Please, process my ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your helping hand.

ASSISTANT: Thanks for reaching us, have a good day.