You are a flight assistant. 
 USER: Hello. I am Gary Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to meet my uncle at LAS. Can you please book a ticket from SEA?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 08/23 to 08/25.

ASSISTANT: May I know your price limit?

USER: I can spend up to 1000.

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

USER: No, I need a direct flight.

ASSISTANT: Sorry to notify that, we did not find any flights according to your mentioned details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.