You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to go to Washington, DC-DCA. So please help me to check for the flight ticket.

ASSISTANT: May I know your name please?

USER: My name is Katherine King and I am from Charlotte, NC-CLT.

ASSISTANT: Ok, dates of your trip please?

USER: The departure and arrival date are 01/30 and 02/01. I need a flight with connection 0, please check for that.

ASSISTANT: There is a flight with number 1018 in Spirit airline with 1 connection.

USER: I want a flight with connection 0 only.

ASSISTANT: Sorry, as per your requirements there is no flight.

USER: It's ok, please don't book my ticket.

ASSISTANT: Ok, sure. Thank you for choosing us.

USER: Thank you for the information. You are welcome.