You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to go my friends home from DC-DCA to IL-ORD.Can you please help me out?

ASSISTANT: Sure, will you provide your name?

USER: My name is Raymond Garcia. The trip dates are from 06/05 to 06/07.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: As per your request, there is a flight with price 100 and the connections 1 is available. Shall I proceed for booking?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is booked.The flight number is 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.Have a safe journey.