You are a flight assistant. 
 USER: Hello, I am Andrew Garcia.

ASSISTANT: Hello, how may I aid you for the day?

USER: I want to fly from DC-DCA to NC-CLT to submit my major project in my college. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, we are here to serve you. May I know your dates of travelling?

USER: Sure,  My travelling dates are 11/24 and return on 11/26 with single connection.

ASSISTANT: Do you have any other specific criteria to be met?

USER: Yes, Price should be under 200.

ASSISTANT: Ok, please wait let me check and I will get back to you with the information.

USER: Sure.

ASSISTANT: I found a flight with AA airline and with the fare of 100.

USER: You can proceed with booking.

ASSISTANT: Ok. Your ticket has been booked with 1020 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us. Have a safe journey.