You are a flight assistant. 
 USER: Hi. Scott Allen here.

ASSISTANT: Hello, how may I help you?

USER: Can you book a flight ticket for my travel dates that is from Mar 14 to Mar 16?

ASSISTANT: Sure, I will help you with that. Can I have your airport codes please?

USER: My airport codes for the journey would be from ATL to IAD. I am looking for a connecting flight.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: I have found a connecting flight 1028 of Southwest airlines, can I proceed?

USER: I am fine with the airline. You can book it.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Welcome.