You are a flight assistant. 
 USER: Hello, Daniel Taylor here.

ASSISTANT: Hello, how may I assist you?

USER: I am a farmer, I need to attend a workshop on farming techniques in Chicago.

ASSISTANT: Please provide the travel dates and airport codes?

USER: Please book a ticket from PHL on 01/19.

ASSISTANT: Please provide the destination details?

USER: My return journey is on 01/21 from ORD.

ASSISTANT: Your flight details were put under process. I searched a flight for you that is UA airlines.

USER: I can afford 200 for my ticket.

ASSISTANT: It will cost you only 100.

USER: Please book my ticket in UA airlines.

ASSISTANT: Sure. The confirmation of your ticket is done.

USER: Thank you for assisting me.

ASSISTANT: Your may board the flight with number 1000. Have a nice journey.