You are a flight assistant. 
 USER: Hello, I am Janet Davis.

ASSISTANT: Hello, how may I assist you today?

USER: I had an appointment with my doctor in Austin, so I need to book a flight ticket from Washington. Could you help me in booking from IAD to AUS.

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to fly from 02/20 to 02/22.

ASSISTANT: Do you have any specifications?

USER: I can spend up to 200 with connection-1.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Southwest airlines, flight number is 1008 with one connection and price is 100.

USER: Ok, go with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.