You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from IAD to JFK, could you please help me to book a flight?

ASSISTANT: Sure. Please provide me your travel dates.

USER: My departure date is 12/03 and return date is 12/05.

ASSISTANT: Please wait a moment. I found a flight with AA airlines matching with your requirements.

USER: Make sure that connections limit should be 1 and price limit is 500.

ASSISTANT: Would you like me to proceed?

USER: Ok, proceed to book a flight.

ASSISTANT: I require your name to book the ticket.

USER: I am Patricia Hernandez.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: You are welcome.