You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to book a ticket to BOS from MCO, can you please help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates are from Jan 12 to Jan 14.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: May I know about the airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Please provide me the name.

USER: I am Stephen Johnson.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.