You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you book me a ticket from 01/28 and 01/30?

ASSISTANT: Sure, can you please share your source and destination airport codes?

USER: Ok, here are my preferred airport codes AUS and ORD.

ASSISTANT: May I know your good name please?

USER: Ok, my name is Stephen Young.

ASSISTANT: There is a flight available on your requested dates from Delta airlines with 1 connecting flight.

USER: Please book it now.

ASSISTANT: Your ticket is booked with flight 1003.

USER: Thank you for the timely help.

ASSISTANT: Most welcome.