You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket, to go  for a vacation.

ASSISTANT: Sure, may I know your departure and destination with airport codes please?

USER: OK,. My source point is Washington, DC-DCA on 05/10 and my destination is to New York, NY-LGA on 05/12.

ASSISTANT: OK thank you, may I have your name please?

USER: I am Andrew Young.

ASSISTANT: OK, can you please hold on for a moment,I will get back to you.

USER: Sure,.

ASSISTANT: Thanks for waiting, we are happy to say you that we found a flight which matches your specified dates. The details are as follows, flight number is 1019 with AA airlines and price is of 100 with single connection.

USER: OK, please process my ticket.

ASSISTANT: OK, your ticket has been confirmed.

USER: Thank you for your information.

ASSISTANT: Thank you for connecting with us, have a great day ahead.