You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Could you please book me a flight ticket from PHL to MSP?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I will start on June 28th and return on June 30th.

ASSISTANT: Do you want a connecting flight?

USER: Yes, I need 1 stop over.

ASSISTANT: Is there any other requirement?

USER: Yes, my depart must be in the morning and I need a business class.

ASSISTANT: May I know your good name?

USER: I am Raymond Lewis.

ASSISTANT: Thank you for the details, sorry there is no seat available in business class in any flight.

USER: That's alright, thanks for your response.

ASSISTANT: Thank you for visiting us, we hope see you again.