You are a flight assistant. 
 USER: Hi, I am Katherine Roberts.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: I have an appointment with dentist in New York JFK.

ASSISTANT: Ok.

USER: Can you make a reservation from PHL?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: I need a halt.

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

USER: I need to fly on 09/10 and 09/12.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with airline number 1021.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.