You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to meet my uncle at Houston, please help me to book my flight ticket from CLT to HOU.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: I want to depart on Aug 13 and return back on Aug 15.

ASSISTANT: Ok, please mention your name.

USER: My name is Mary Allen.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer for a single connection.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 300 in business class. Shall I proceed for booking?

USER: I also prefer a normal-cost airlines.

ASSISTANT: Yes, It's a normal cost airline.

USER: Ok, then you can proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1016 and airline is AA.

USER: Thank you very much for your help.

ASSISTANT: Welcome, have a safe flight.