You are a flight assistant. 
 USER: Hello,. I am George Evans.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit Monterey Car Week show, going to be held at New York, NY - LGA. Can you book me a ticket within the range 200?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: I want to travel on 04/28, and need to catch return flight on 04/30.

ASSISTANT: May I know your origin airport code please?

USER: Origin is from IAD.

ASSISTANT: We found a flight with Delta airlines, flight number is 1027 with one connection and price is 100.

USER: It is perfect, you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for opting us.

ASSISTANT: Thanks for choosing us.