You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend a Live Concert at Phoenix, could you please help me with booking a flight ticket from BOS to PHX?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to depart on Aug 26th and return on Aug 28th.

ASSISTANT: Please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I need a business class ticket.

ASSISTANT: Do you have any other requirements?

USER: Make sure that my return time must be morning.

ASSISTANT: May I know your name?

USER: I am Jeffrey Allen.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.