You are a flight assistant. 
 USER: Hello. I am Edward Young.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for woodinville wine tasting tour at Seattle, SEA. Can you please book a ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Travelling dates are 05/03 to 05/05.

ASSISTANT: Please share me your source point.

USER: Origin code is Las Angeles, LAX.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.