You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Eric Evans here.

ASSISTANT: Good evening Evans. How can I assist you?

USER: I want to go for a vacation to my grand father's house in Washington. Can you help me in booking a ticket from ATL to DCA?

ASSISTANT: That's pretty good. Sure. Can you please provide me your travel dates?

USER: My travelling dates are from 05/20 to 05/22.

ASSISTANT: Evans, there is flight available matching with your details. Shall I proceed booking ticket with that flight?

USER: If the price limit is 200, please proceed.

ASSISTANT: Your ticket is booked with Spirit airlines with price 100 and it has 1 connections. Thank you for reaching us.

USER: Welcome.