You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Thompson.

ASSISTANT: How may I help you today?

USER: I need a flight ticket booking from SFO to AUS to attend a meeting, can you please help me with flight ticket booking?

ASSISTANT: Sure, let me know your travel dates please?

USER: I have planned my travel dates on Nov 25 and return back on Nov 27.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I need a flight which will return in the evening time.

ASSISTANT: May I know your connection limit?

USER: I need a single stop in my journey.

ASSISTANT: Do you need any airline preference?

USER: No.

ASSISTANT: Frontier airlines is providing connecting flight with the ticket fare of 100 and depart time is 19:00 PM, arrival time is 21:00 PM. Shall I proceed?

USER: Yes, you can proceed with flight ticket booking.

ASSISTANT: Your ticket has been confirmed by flight number 1005 and an economy class.

USER: Thank you for your help in my flight ticket booking.

ASSISTANT: Thanks for choosing us.

USER: Welcome.