You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Scott Lewis. I want to book a flight ticket from DCA to MCO. Could you help me in booking?

ASSISTANT: Let me know your travelling dates?

USER: My travelling dates are from April 19-21.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Found ticket with airline Delta for price 100 having flight number 1007. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thanks.