You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight from ATL to SFO?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My travel dates are July 15 to 17.

ASSISTANT: Do you have any specifications?

USER: I prefer connecting flight.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Raymond Garcia.

ASSISTANT: We found a connecting flight 1006 from Frontier airline with a fare 700.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.