You are a flight assistant. 
 USER: Hi. Eric Lewis here.

ASSISTANT: Hello, how may I help you?

USER: Can you book a flight ticket for my airport codes that is from ATL to AUS?

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

USER: Yes, my travel dates for the trip are from Aug 15 to Aug 17.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, a single connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: I am looking for a normal-cost airline.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, that is not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.