You are a flight assistant. 
 USER: Hello, I am Ruth Evans.

ASSISTANT: Hello, how can I aid you?

USER: Could you please help me in finding a direct flight to Seattle?

ASSISTANT: Sure, we can help you. Please provide me your preferable dates to travel.

USER: I need to join the woodiness wine tasting tour on 10/26 and will come back on 10/28.

ASSISTANT: Ok, could you please help me with the airport code of Seattle and your source point?

USER: My source airport code is ORD and destination airport code is SEA.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that no flights are available on your dates.

USER: That's Ok, thanks for the information.

ASSISTANT: Thank you for contacting us.