You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight a flight ticket from LAS to DCA. Could you help me in booking?

ASSISTANT: Let me know your travel dates.

USER: My travelling dates are from Nov 06-08.

ASSISTANT: Do you have any preference?

USER: I need direct flight.

ASSISTANT: Can I know your name?

USER: Amy Clark here.

ASSISTANT: Ticket is found with American airlines for price 100 having flight number 1024.

USER: Yes, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.