You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Benjamin Moore. I would like to book a flight ticket from BOS to LAS, can you please help me in booking?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I would like to travel on Sept 25th and return on Sept 27th.

ASSISTANT: May I know your departure time and arrival time?

USER: The depart time should be afternoon.

ASSISTANT: Do you have any other requirements?

USER: I need a lay by.

ASSISTANT: There is a connected flight in AA airlines with the fare 100.

USER: You can proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.