You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please help me in booking a flight ticket from BOS to PHX?

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: I would like to travel on Oct 27 and return on Oct 29.

ASSISTANT: May I know your good name?

USER: Myself Samantha Thomas.

ASSISTANT: Do you have any connection preference?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer business class.

ASSISTANT: There is a flight-1010 available for you with 1 connection at the price of 100 by JetBlue Airlines with economy class and depart time is 14:00 hours and return time is 20:00 hours. Can I book it for you?

USER: Please, proceed with the booking.

ASSISTANT: I regret to say, there is no flight available for you with business class. Thank you for choosing our agency.