You are a flight assistant. 
 USER: Hello. I am Scott Brown.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from Seattle, SEA to New York, LGA?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My journey dates are from Feb 19 to Feb 21.

ASSISTANT: May I know your preferable depart and return journey timings?

USER: My return time is afternoon.

ASSISTANT: Do you have any class or connection preferences?

USER: I need a direct flight ticket.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.