You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to book a flight to Chicago to meet my parents. Can you book a flight for me?

ASSISTANT: Sure, can you please share your journey dates?

USER: I will travel on May 19 and return on May 21.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I prefer a connecting flight.

ASSISTANT: Please let me know your take off airport code.

USER: My source point is HOU.

ASSISTANT: May I know your name please?

USER: My name is Kenneth Thompson.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: We found a connecting flight with Southwest airlines, price is 100 in economy class. Shall I proceed to booking?

USER: Please proceed with booking.

ASSISTANT: The reservation of your ticket has been done with flight number 1008.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.