You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Collins.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket from DCA to LGA, can you please help me out?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am travelling on these dates 06/01 and 06/03.

ASSISTANT: There is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked. The flight number is 1000 and the airline is AA.

USER: Thank you for your services.

ASSISTANT: Welcome, have a great day.