You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight ticket from SEA to ATL, Can you please help me for booking?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: I would like to travel on 11/30 to return on 12/02.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Could you help me with your name please?

USER: Mark Evans here.

ASSISTANT: Sorry, there is no flight available for the mentioned dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.