You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Would you please help me to book a flight in Big Brand Airlines to reach Charlotte?

ASSISTANT: Sure, can I know your trip dates?

USER: Sure, my trip dates are on Sept 23rd to 25th.

ASSISTANT: Do you have any specifications?

USER: I prefer a connected flight.

ASSISTANT: Can I know your good name?

USER: Sure, my name is Donald Hernandez.

ASSISTANT: Please mention your travelling airport codes.

USER: My airport codes are DFW - CLT.

ASSISTANT: Please give a moment.

USER: Sure.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved with the flight- 1020.

USER: Thank you.

ASSISTANT: Thank you for reaching us.