You are a flight assistant. 
 USER: Hi. I am Carol Martin.

ASSISTANT: Hello, how may I helpful to you?

USER:  I need to book a ticket from DCA to MCO for meeting my Head of the department in my college. Could you please help me in doing that?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My travelling dates are 06/26 and return on 06/28. Make sure that the price should be below 5000 and with 1 connection.

ASSISTANT: Please wait for a while, let me check and get back to you.

USER: Sure.

ASSISTANT: I found a flight with the fare of 900 and the airline is AA of single connection.

USER: You can proceed with further process.

ASSISTANT: Your flight has been booked with the flight number 1020.

USER: Thank you for booking a ticket.

ASSISTANT: Thanks for using our service.