You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to meet my brother at Chicago, please book my flight ticket from IAH to ORD.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Thank you. I will depart on Sept 14th and return back on Sept 16th.

ASSISTANT: Do you prefer halt in between your journey?

USER: Please check for the flight with single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to depart in the afternoon time.

ASSISTANT: Can I have your good name please?

USER: Myself Katherine Nelson.

ASSISTANT: Frontier airlines is providing a flight on that route with ticket fare of 800 and 1 connection, it will departs at 17:00 hours and arrives at 22:00 hours. Shall I proceed for booking?

USER: Great! You can book the ticket for me.

ASSISTANT: I have successfully booked you a business class ticket in flight-1000, have a safe journey.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.