You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER:  I need a flight ticket to visit Washington. I am giving you my journey dates that is from 08/20 to 08/22.

ASSISTANT: Ok, can you share me your nearest airport codes?

USER: Sure, my nearest airport code is DFW.

ASSISTANT: Ok, can I know your destination airport code?

USER: My destination airport code is DCA.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Please you can book the flight ticket.

ASSISTANT: Ok, your ticket is booked with AA airlines.

USER: Thank you so much.

ASSISTANT: Can I know your name?

USER: My name is Emily Moore.