You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning on travelling to JFK for an event, can you please help me in booking a flight ticket from DEN?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are in Feb from 10th to 12th.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in afternoon. I prefer to travel with single connecting flight.

ASSISTANT: Is there any class preferences?

USER: No, I am comfortable with any class.

ASSISTANT: May I know your good name please?

USER: Virginia Brown here.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, unfortunately no flights available on that route.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.