You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what assistance do you require from our travel agency?

USER: I have a meeting to attend at Las Vegas. Can you help me in booking a ticket from Washington?

ASSISTANT: Sure, I can help you with that. Can you please help me with travelling dates to search a flight?

USER: I am planning my journey on dates 08/24 and 08/26.

ASSISTANT: Ok, what are the airfield codes of Washington and Las Vegas?

USER: The airport codes are IAD and LAS.

ASSISTANT: Ok, please hold on for a moment, I will check the flight and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting. There is a flight with airlines JetBlue having a connection limit 1 and the ticket fare is 100. Can I book your ticket with this flight?

USER: Sure, please book the ticket.

ASSISTANT: Can you please provide me your full name to book the ticket?

USER: Please book the ticket with the name Steven Collins.

ASSISTANT: Ok, your ticket is confirmed to the flight number 1019.

USER: Thank you for your favour.

ASSISTANT: Thank you for reaching us. Have a safe flight.