You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you now?

USER: Can you help in booking a flight ticket from IAD to CLT?

ASSISTANT: Sure, I will book a ticket for you.

USER: Thank you.

ASSISTANT: Let me know your connection limit please.

USER: I prefer a direct flight.

ASSISTANT: Ok, please help me with your travelling dates.

USER: I want to start on Aug 01 and return will be on Aug 03.

ASSISTANT: May I know your name to book a flight ticket?

USER: My name is Kevin Adams.

ASSISTANT: There is a direct flight with Southwest airline in an economy class. May I confirm your ticket with this flight?

USER: Yes, you can proceed with the booking.

ASSISTANT: Ok, reservation has been done with flight number 1029.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.