You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a direct flight to Houston to attend family meeting. Can you book a  flight for me?

ASSISTANT: Sure, please share your travel dates.

USER: I will fly on May 1st and return on May 3rd.

ASSISTANT: Can I know your airport codes?

USER: My source point is AUS and my destination is HOU.

ASSISTANT: Do you need any class preference?

USER: Yes, I need economy class.

ASSISTANT: May I know your name please?

USER: My name is Thomas Taylor.

ASSISTANT: We found a direct flight on your details with airline JetBlue, flight number: 1024. Shall I book this ticket?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you.