You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from LAS to OAK, can you please help me out?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I am travelling on these dates Feb 29th and march 2nd.

ASSISTANT: Ok, please mention your name.

USER: James Davis here.

ASSISTANT: Let me know your connection limit.

USER: I prefer single connected flight.

ASSISTANT: Do you have any specification?

USER: I prefer return time in the evening.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us, have a nice day.