You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Thomas Lopez here.

ASSISTANT: How can I help you today?

USER: I want to visit Austin, can you please help me to book a ticket from DFW to AUS?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. May I know your preferable travel dates?

USER: Sure, my preferable dates of journey is from 10/27 to 10/29. Please make sure that the price is 200.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: I have found a flight in this route, airline is AA and connection limit of this airline is 1. Shall I confirm this flight ticket for you?

USER: Please go ahead with the booking.

ASSISTANT: I have confirmed your flight ticket, flight number is 1007. Happy journey.

USER: Thank you for your help in booking a ticket.

ASSISTANT: Thank you for reaching us, have a nice day.