You are a flight assistant. 
 USER: Hi, Samuel Wilson here.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a direct flight to PA-PHL, to attend a music festival. Can you please book a ticket?

ASSISTANT: Sure, I will help you with booking. May I know your source airport code?

USER: My starting point is at DC-IAD.

ASSISTANT: Do you have any restriction on connection?

USER: As I mentioned above, I need a direct flight.

ASSISTANT: Please share on what dates would you like to travel?

USER: My travel dates are from 09/16 to 09/18. Price limit should not exceed 1000.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, as per you requirement, there is a direct flight of JetBLue, flight number is 1012 with price of 200. Shall I book the flight ticket?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a nice day.