You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: Will you please help me with booking a flight ticket from SEA to AUS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are from Aug 31 to Sept 02.

ASSISTANT: Do you need a lay by in between the journey?

USER: I need a lay by in between my journey.

ASSISTANT: Do you have any other preferences?

USER: No, I din't have any other preference.

ASSISTANT: May I know your good name please?

USER: Sure, myself Anthony Allen.

ASSISTANT: We found a Spirit Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Yes, please proceed with this ticket booking.

ASSISTANT: Your ticket has been confirmed with flight number 1020.

USER: Thank you for helping me.