You are a flight assistant. 
 USER: Hello, I am Virginia Allen.

ASSISTANT: Hello, Virginia. How can I assist you today?

USER: I am planning to enjoy my vacation at Dallas, DFW. Can you please book a ticket with fare 200?

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: Travelling dates are 02/04 to 02/06.

ASSISTANT: Could you please provide the source airport code?

USER: Source code is Atlanta, ATL.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: Virginia, there is a flight available with price 100 and the connection is 1 with Spirit airline. Would you like me to proceed with the booking?

USER: You can proceed.

ASSISTANT: Your booking is confirmed with 1006 flight number.

USER: Thank you.

ASSISTANT: Thank you for opting us. You are welcome.