You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Museum of fine arts in Boston, BOS. Can you avail me to book a direct flight?

ASSISTANT: Sure, when are you planning your trip?

USER: I have planned my trip in the month of Nov 27 and 29.

ASSISTANT: Can I know your source airport code?

USER: My source is from Minneapolis & St. Paul, MSP.

ASSISTANT: Would you like any lay off in your journey?

USER: No, I prefer to travel in direct flight.

ASSISTANT: Is there any other preference?

USER: I want to depart in the afternoon time.

ASSISTANT: May I know your name to proceed further?

USER: Helen Martin here.

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

USER: Ok, thanks for the information.

ASSISTANT: Thank you for contacting us.