You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Cynthia Davis here. Can you book my ticket from SEA to ORD?

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

USER: My travelling dates are from 02/21 to 02/23.

ASSISTANT: There is a flight available on your requested dates from Delta airlines with 1 connecting flight. Shall I confirm your booking?

USER: Please can you check with 0 connection?

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

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.