You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning for a vacation with my family, can you help me with booking ticket from BOS to JFK?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please help me with your planned travelling dates.

USER: Sure, my trip dates are from Aug 08 to 10.

ASSISTANT: Please let me know with your name.

USER: Sure, I am Brandon Moore.

ASSISTANT: Would you like to have a break in between your journey?

USER: I need a direct flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I need a flight in economy class.

ASSISTANT: Sure, I will check for it. Please allow me a minute.

USER: Sure.

ASSISTANT: Brandon Moore, I am really sorry to inform you that there are no flights available for your journey.

USER: That's ok, thanks for checking.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.