You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Lewis.

ASSISTANT: How can I best aid for the day?

USER: I want to book a ticket from ATL to IAH, can you help me?

ASSISTANT: Sure. On which dates do you want to travel?

USER: My travel dates are Nov 25 and Nov 27.

ASSISTANT: Do you need a halt?

USER: I need a single halt.

ASSISTANT: How much can you afford in booking your flight ticket?

USER: My price limit is 200.

ASSISTANT: Do you need a business class or a economy class?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, we found a connecting flight 1005 in Southwest airline the price is 200 in class economy. Shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.