You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking a flight ticket from IAH to AUS?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: I want to travel on 09/05, and return on 09/07.

ASSISTANT: Can I have your good name please?

USER: I am Gregory Roberts.

ASSISTANT: May I know how many connections do you need in between your journey?

USER: I need a direct flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I want to depart in the evening time.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Spirit airlines is providing a direct flight on that route with ticket fare of 200, it will departs at 2:00 hours and arrives at 2:00 hours. Shall I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1009, have a safe journey.

USER: Thanks for the assistance.

ASSISTANT: Thank you for choosing us.