You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me booking a flight ticket from LAS to PHL?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: I will start on 02/23 and return on 02/25.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Jerry White.

ASSISTANT: We found 1027 American Airlines with direct flight and price of 100, shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.