You are a flight assistant. 
 USER: Hello. I am Joseph King.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a ticket from AUS to HOU to attend seminar, can you help me in booking?

ASSISTANT: Surely, I will help you out. May I know that when you have planned to travel?

USER: I am departing on Feb 26 and return on Feb 28.

ASSISTANT: Do you need any class preferences?

USER: I am ok with any class.

ASSISTANT: Is there any restrictions on price?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a connecting flight with 1028 number and the fare is 100. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.