You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from PHL to OAK. Could you help me in booking?

ASSISTANT: Sure, I will help you with that. May I know your travelling dates, please?

USER: My travelling dates are from Feb 14-16.

ASSISTANT: Can I know your name please?

USER: Karen Robinson here.

ASSISTANT: Do you need a connecting flight  or direct flight?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1013 in Frontier Airlines with a fare of 100. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed successfully in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a safe journey.