You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Lisa Parker.

ASSISTANT: Hi Lisa.

USER: I need to travel from DC-DCA to TX-IAH. So please help me to search a flight ticket?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: My planing dates are 08/11 and 08/13.

ASSISTANT: Ok, I have found a flight based on your details. Flight number 1006 from Southwest airline is available for you with 1 connection with a price of 200 only. Shall I proceed to book it?

USER: It's good, you can proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us, have a great journey.