You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Timothy Thompson.

ASSISTANT: How may I help you?

USER: I would like to visit Washington, so I am searching for a flight from DCA to IAD.

ASSISTANT: Ok Timothy, can you please tell me your travelling dates?

USER: The dates are from 12/24 to 12/26.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Flight 1002 available with Southwest airlines on your requested dates, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, I have booked your ticket.

USER: Thank you for your time.

ASSISTANT: Thank you, have a great trip.