You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please reserve my flight ticket from JFK to SEA?

ASSISTANT: Sure, can you provide your journey dates?

USER: My journey dates are July 19th and July 21st.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: May I know your name?

USER: Deborah Hill.

ASSISTANT: Sorry, there is no direct flight on your given dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.