You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Moore want to attend a seminar at Orlando, can you book a ticket within the fare of 500?

ASSISTANT: Sure Thomas, can I know your journey dates please?

USER: Yes, my travelling dates are 08/04 and 08/06.

ASSISTANT: Thomas, may I know your airport codes too?

USER: As it is a round trip, my source and destination airport codes are MCO.

ASSISTANT: Ok Thomas, can you please wait a moment?

USER: Ok.

ASSISTANT: There is a flight avalible and the flight details are a follows, there is a connection flight, it is a economic class and the airline is UA. Do you want me to book it for you?

USER: Yes, proceed with my booking.

ASSISTANT: The flight has been booked and the flight ticket price is 100.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.