You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Could you please help me to book a business class ticket from SFO to meet my old friend to start a new business in PHX?

ASSISTANT: Sure, we are pleased to serve you. May I know your trip dates?

USER: Sure, I am planning to start my journey on Mar 9th and my return date will be on mar 11th.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know depart and arrival time?

USER: I don't have any particular timings.

ASSISTANT: Do you have any other requirements?

USER: No more specifications please.

ASSISTANT: There is a connecting flight with fare of 200 and 1004 flight number. Shall I proceed?

USER: That's fine, you can book the ticket.

ASSISTANT: On whose name, I have to reserve the flight ticket?

USER: I am Ashley Harris.

ASSISTANT: Your seat has been reserved with Delta Airlines in economy class.

USER: I have already mentioned above I need a business class ticket, can you please recheck?

ASSISTANT: Sorry for the inconvenience caused by us, there are no flights available on your requested class.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.