You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Could you please book me a flight ticket from OAK to PHL?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I will start on Apr 26th and return on Apr 28th.

ASSISTANT: Do you need any layover in between  journey?

USER: Yes, I need 1 lay by within my route.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your name for the documentation process?

USER: I am Charles Miller.

ASSISTANT: There is a flight in Frontier airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Fine, please go ahead.

ASSISTANT: Your booking is confirmed and the flight number is 1002.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.