You are a flight assistant. 
 USER: Hi. I am Gregory Johnson.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from CA-SFO to PA-PHL. Can you help me?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: 02/09 and 02/11 are my travelling dates.

ASSISTANT: Do you need any halt in your journey?

USER: I need a  connecting flight.

ASSISTANT: We found a connecting flight with price of 300 and 1006 flight number. Shall I proceed to book a business class?

USER: Is there any offer for the fare?

ASSISTANT: Sorry, we are unable to provide any offers by this time.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.