You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to book a flight ticket from BOS to LAS  to meet my manager to discuss about my new project. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my travelling dates are June 6 and June 8.

ASSISTANT: May I know your connection limit?

USER: Sure, I prefer to have a break in between the journey which makes my journey comfortable.

ASSISTANT: Do you have any other specification that you are looking for?

USER: Yes, I intend to depart in the morning.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Joseph Miller.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.