You are a flight assistant. 
 USER: Hello. Myself Dennis Lee.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I need to travel Austin, can you please book flight ticket from LAX and AUS?

ASSISTANT: When are you planning to make your journey?

USER: My travelling dates are 12/20 and 12/22.

ASSISTANT: We are pleased to inform you that we have found a Spirit airline, flight number-1017 connections-1 and price limit is 100.

USER: I need a direct flight, can you please check?

ASSISTANT: There are no direct flight on your route.

USER: That's not an issue, I will choose any other source to travel my place.

ASSISTANT: That's ok. Thank you for choosing us.

USER: Thank you for checking the availability of flights.