You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from SFO to SEA?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are from Dec 17-19.

ASSISTANT: May I know your connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you need any other preference?

USER: No, I am comfortable with any flight.

ASSISTANT: Can I know your name please?

USER: Amanda Williams here.

ASSISTANT: Sorry to inform you that there are no flight services available on your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.