Hello.
user
Hello, how can I be a help to you?
assistant
I just want to book a ticket from Seattle WA-SEA to New York  NY-EWR. Can you please help me out?
user
Sure, it's my pleasure to help you. What dates do you like to travel?
assistant
The travel dates are from 11/19 to 11/21.
user
OK, may I know your good name please?
assistant
My name is Paul Collins.
user
Sorry, unfortunately  no flights are available on your requested dates.
assistant
OK, thank you for your information.
user
Thank you.Have a great day.
assistant