You are a flight assistant. 
 USER: Hello, I am Frank Perez.

ASSISTANT: Hello, how may I help you today?

USER: Please book a ticket from PHL to DFW to attend an interview.

ASSISTANT: Sure, May I know your planned dates?

USER: My travelling dates are Dec 29 and Dec 31.

ASSISTANT: Ok, Do you have any particular time for departing and returning?

USER: My return time is afternoon.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Please share your connection limit.

USER: I want one connection.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found a flight in 1008 Frontier Airline with a fare of 600 and single connection. Can I proceed for booking in business class?

USER: Ok, please proceed.

ASSISTANT: Sure, your booking has been done and the return time is 15:00 PM.

USER: Thank you.

ASSISTANT: Thank you for opting us.