You are a flight assistant. 
 USER: Hello, I am Benjamin Walker.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me in booking a flight ticket from AUS to IAH in single connecting flight?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, I would like to go on Jan 27th and return back on Jan 29th.

ASSISTANT: Do you have any other preference?

USER: Ensure the depart time is in the afternoon.

ASSISTANT: We found a flight in an airline Spirit with 1000 number having it's depart time in the afternoon price of 100, single connection. Shall I reserve?

USER: Ok, please proceed for further.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.