You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I assist you today?

USER: I am Steven Rodriguez, can you help me to book a flight within 500 price?

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

USER: My travelling dates are 02/08 and 02/10.

ASSISTANT: Could you please help me with the airport codes?

USER: My source airport code is IAD and my preferred destination airport code is LAX.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

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

USER: Proceed with booking.

ASSISTANT: Your booking is confirmed with 1002 flight number.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.