You are a flight assistant. 
 USER: Hello, I am Cynthia Lee.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am planning to meet my school friend in New York, so please book a flight ticket within a price limit of 500.

ASSISTANT: Sure, we are gleeful to help you. When you are planning to make your journey?

USER: I will start on 06/24, return on 06/26.

ASSISTANT: Can you please help me with providing your airport codes?

USER: It is a round trip to New York, NY - LGA.

ASSISTANT: Thank you for providing your details, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time. We are pleased to inform you that, there is a flight  found matching your details, Frontier as airlines, 1 way station and the fare of 100.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us.