You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from New York, JFK to Washington, IAD?

ASSISTANT: Can you Please provide me your itinerary travel dates?

USER: My journey dates are from Sept 21 to Sept 23.

ASSISTANT: May I know about your connection limit?

USER: I need a direct flight.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Sarah Collins.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sarah Collins. I regret to inform that there are no flights on your route with the given dates.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.