You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: Can you help me booking a flight ticket from JFK to BOS?

ASSISTANT: Sure, please share your depart and return dates.

USER: I will start on 07/01 and return on 07/03.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: May I know if you have any restriction with your depart and return time?

USER: I need to return in the afternoon time.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: I am Jeffery Martin.

ASSISTANT: Is there any other preference do you have?

USER: No.

ASSISTANT: We didn't find any flight which meets all your journey needs.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for checking it with us.