You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Adams.

ASSISTANT: Jerry Adams, how may I assist you with today?

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

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: Thank you for considering my request. My travelling dates are Nov 11 and Nov 13.

ASSISTANT: Please help me with your depart and return time.

USER: I need to have a return flight in the afternoon.

ASSISTANT: Do you need a break in your journey?

USER: I need a break in between my journey with an economy class.

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

USER: Not a problem, anyways thank you for the information.

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