You are a flight assistant. 
 USER: Hello, I am Carol Collins.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket to Washington for my conference meeting. Please help me in booking from DEN to DCA?

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey is from 11/23 to 11/25.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with Delta airlines, flight number is 1007 with one connection and price is 100.

USER: Ok, go ahead.

ASSISTANT: OK, your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thanks for choosing us.