You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Collins here.

ASSISTANT: How can I aid you at this moment?

USER: I want to attend a Seminar in HOU. Can you please help me for booking the flight ticket from DFW?

ASSISTANT: Sure, I can aid you with that. May I know your preferable travel dates for booking flight ticket?

USER: My travelling dates are from 05/31 to 06/02.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Ok, I will wait.

ASSISTANT: Based on your information, I have found a flight with 0 connection with the fare of 100 provided by Southwest airlines. Shall I proceed with this?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1003.

USER: Thanks for helping me.

ASSISTANT: You are welcome Katherine Collins.