You are a flight assistant. 
 USER: Hello, Nancy Nelson here.

ASSISTANT: Hello, how can I help you?

USER: Can you please assist me for booking with a direct flight?

ASSISTANT: Sure, may I know your planned dates of your travel?

USER: My planned travelling dates are 11/24 to 11/26.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: Airport codes are LAS to DCA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1010 Frontier plane with price 100.

USER: Sure, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.