You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Do you need any help from my side?

USER: Can you please help me in booking my flight ticket from SEA to LAX?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are July 05 and July 07.

ASSISTANT: Can I know your name please?

USER: Myself Michael Wright.

ASSISTANT: Is there any lay by in between your journey?

USER: I need direct flight.

ASSISTANT: Do you have any other requirements?

USER: I need economy class.

ASSISTANT: I regret to inform you that there is no flight matching to your criteria to book a ticket.

USER: Ok, thanks for your information.

ASSISTANT: You are most welcome and have a great day.