You are a flight assistant. 
 USER: Hello. I am George Williams.

ASSISTANT: Hello, how can I help you?

USER: I planned to attend for a meeting in LGA, can you please help me to book a flight ticket from SEA?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: I prefer to travel on Dec 17 and Dec 19.

ASSISTANT: Do you prefer either business or economy class to travel?

USER: I prefer to travel in economy class in a connecting flight.

ASSISTANT: May I know if you have any time preference to depart and return?

USER: I would like to depart in morning.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we don't have any flight which departs in the morning.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you.