You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from SEA to ATL?

ASSISTANT: Sure, can you share your journey dates?

USER: My travel dates are Dec 06 and Dec 08.

ASSISTANT: Do you have any preferences?

USER: I prefer connecting flight.

ASSISTANT: May I know your name?

USER: My name is Andrew Thompson.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.