You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: I want to book a ticket from IAD to MCO, can you help me?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travel dates are June 16 and 18.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Any more specifications do you have?

USER: No.

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

USER: I am Anna Smith.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: As per your details, one of the flight 1001 which is providing by Southwest airlines with a fare of 100 and there is a 1 stop, can I confirm your flight ticket booking?

USER: Yes, please.

ASSISTANT: Ok, yout ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us, have a great journey.