You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at present?

USER: I am planning to book a flight ticket to BOS from SEA, can you please help me out?

ASSISTANT: Sure, When you are planning to travel?

USER: Sure, my planning travelling dates are June 04 and June 06.

ASSISTANT: Kindly please share your connection limit.

USER: I am looking for a flight with 1 connection.

ASSISTANT: Ok, Do you have any other requirements?

USER: Yes, I prefer business class.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: We are regret to inform you that, there were no flights found based on your specified details.

USER: It's ok, thank you for the information.

ASSISTANT: May I know your name for documentation?

USER: Sure, my name is Kathleen Phillips.

ASSISTANT: Thank you for opting our service.