You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Patricia Johnson. I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates 01/11 and 01/13?

ASSISTANT: Sure, may I know your source and destination codes?

USER:    My airport codes are AUS and DCA.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: UA, flight number: 1003 and price is 100 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.