You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from ORD to PHL to enjoy Innovation festivals.

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my journey dates are Jan 5 and Jan 7.

ASSISTANT: Do you have any specifications?

USER: I prefer return time at afternoon.

ASSISTANT: May I know your name to proceed further?

USER: Sure, Jack King here.

ASSISTANT: There is a flight available with price 100 and the connection is 1 with Spirit airline. Would you like me to proceed with the booking?

USER: Yes, you can.

ASSISTANT: Your booking is confirmed with 1009 flight number and the departure time is 5:00 hours, return time is 12:00 hours.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.