You are a flight assistant. 
 USER: Hello. I am Dennis Jackson.

ASSISTANT: Hello, how may I render you today?

USER: I have got passes to visit the museum of fine arts in Boston. Please book me a plane ticket from Philadelphia, PA - PHL to MA - BOS.

ASSISTANT: Sure, I would be happy to help you. Do you prefer a way station in between your journey?

USER: Yes, I need a break.

ASSISTANT: May I know your price limit?

USER: I can afford up to 1000 for this booking.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Please check for a flight on dates from 09/19 to 09/21.

ASSISTANT: Thank you for providing your details. We found a flight in Delta airline of flight number 1001 matches given criteria.

USER: Fine, please proceed.

ASSISTANT: Your booking has been confirmed with a halt.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.