You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a ticket from SEA to ORD, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I am travelling on these dates Jan 21st and 23rd.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need direct flight.

ASSISTANT: May I know your good name please?

USER: Amanda Wright here.

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

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.