You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I am planning to visit Austin, will you help me in booking the flight ticket from SFO to AUS?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My preferable journey dates are Apr 04 and Apr 06.

ASSISTANT: Ok, please let me know your preferences too.

USER: My depart time must be in evening.

ASSISTANT: Do you have any more specifications?

USER: No, thank you for asking.

ASSISTANT: Can I have  your good name please to proceed further?

USER: Myself Kenneth Scott.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Spirit airlines running a flight in your route with connection 0 and the ticket fare is 100. Shall I proceed with booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok Kenneth Scott, your ticket booking has done and the flight number is 1024.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a great journey.