You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to attend my business meeting, could you book my ticket from EWR to SFO?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My itinerary dates are Sept 28 and Sept 30.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Are you looking for a direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I prefer business class.

ASSISTANT: Can you please provide your name to proceed further?

USER: Christopher Davis here.

ASSISTANT: Sorry, there are no flights available at your request.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your service.