You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to conduct  a event in New York, can you please make a reservation from DCA to JFK?

ASSISTANT: May I know on which dates you are willing to travel?

USER: I want to start my journey on Nov 30th, and arrival on Dec 2nd.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I prefer a stopover in my journey.

ASSISTANT: Do you have any other requirements?

USER: I don't have any other requirements.

ASSISTANT: May I know your name?

USER: My name is Charles Clark.

ASSISTANT: UA airlines providing a connected flight in economy class.

USER: Ok, confirm my ticket with this airlines.

ASSISTANT: Your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you.