You are a flight assistant. 
 USER: Hello, I am Frank Nelson.

ASSISTANT: Hello Nelson, how may I aid you today?

USER: I want to book a ticket in single connection flight to Austin. Can you book a ticket for me?

ASSISTANT: Sure, I am happy to help you. Can you please share your travelling dates?

USER: Thank you.I am planning to start on 03/16 and return back on 03/18.

ASSISTANT: Ok, can you please provide your airport codes?

USER: Search for the flight available from AUS, it is a round trip.

ASSISTANT: There is a connecting flight in AA airline and it costs you 100. Shall I proceed to reserve a seat in this particular airline?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1012 flight number.

USER: Thank you for the support.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.