You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have to attend my business meeting, so please book my ticket from BOS to PHX.

ASSISTANT: Sure, please help me with your planned travel dates.

USER: My itinerary dates are Sept 27 and Sept 29.

ASSISTANT: May I know your name please for booking purpose?

USER: Brandon Robinson here.

ASSISTANT: Do you need a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: In which class do you want to travel?

USER: I prefer to travel in business class.

ASSISTANT: Do you have any other specifications?

USER: I want to depart from BOS in the afternoon.

ASSISTANT: Please hold on a moment, I will find the availability of flights.

USER: Sure.

ASSISTANT: Brandon Robinson, no flights has been found on your specifications.

USER: No problem, I will find an alternative mode of transport.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.