You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Betty Green. I am planning to book a ticket from CLT to AUS. Can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I am planning to travel on Mar 15 and return back on Mar 17.

ASSISTANT: I found an economy class ticket in AA airlines with normal cost of 200 and it is a single connecting flight. Can I book your ticket?

USER: That's fine, thank you for your service.

ASSISTANT: Your ticket is booked with flight 1022.

USER: Thank you for your service.

ASSISTANT: You are welcome.