You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help in booking the flight ticket from BOS to LGA?

ASSISTANT: Sure, when are you willing to travel?

USER: My travel dates are July 6th and July 8th.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: Joseph Scott.

ASSISTANT: Sorry, no flights found as per your request.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for contacting us.