You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: I am Ruth Green. I am looking for a flight from HOU to AUS, can you help me in booking the flight ticket from Houston?

ASSISTANT: Sure, I am here to help you with this. May I know your travelling dates, please?

USER: Sure, my planned travel dates are Apr 24 and Apr 26.

ASSISTANT: Do you have  any other specifications?

USER: I am looking for a connecting flight under 200.

ASSISTANT: There is a connecting flight available in AA airline with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ruth Green, your booking is confirmed  with the flight number 1003.

USER: Thank you for booking.

ASSISTANT: Than you for reaching us, have a safe journey.