You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Green.

ASSISTANT: How can I assist you Green?

USER: Actually I have a meeting in Seattle, so please can you book a flight ticket from DCA to SEA?

ASSISTANT: Sure, I'm here to help you always. May I know your travel dates please?

USER: I want to airborne on 09/22 and recur on 09/24.

ASSISTANT: Ok, please wait for a while.

USER: Ok, please check the flight with the 1 connection.

ASSISTANT: Green, sorry to inform you that there are no flights available for you on those dates.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a great day.