You are a flight assistant. 
 USER: Hello, myself Carol Thomas.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to DCA from LAS, can you please help me out?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, my planned travelling dates are Dec 17 and Dec 19.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 200 which is provided by AA airlines. Would you like to book this flight for your journey?

USER: Ok, please confirm my reservation.

ASSISTANT: Ok, your ticket is booked with the flight number 1024.

USER: Thank you for the help.

ASSISTANT: Most welcome.