You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: James Roberts here.

ASSISTANT: Ok.

USER: I want book a ticket from JFK to LAS, can you help me?

ASSISTANT:  Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My journey dates are 05/11 to 05/13.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: We found 1015 AA airlines with single connection with economy class. Shall I proceed with the booking?

USER: Please make sure that my return time should be afternoon.

ASSISTANT: Ticket has been reserved with price 100 and return time is afternoon.

USER: Thank you.

ASSISTANT: Thank you for choosing us.