You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Could you please help me with booking ticket from MCO to SFO?

ASSISTANT: Sure, let me know your travel dates please?

USER: Ok, my journey dates are from May 02 to 04.

ASSISTANT: May I know your connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: Do you need any other preference?

USER: I need a flight in business class.

ASSISTANT: Can I know your name please?

USER: Sure, I am Michael Clark.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for contacting us.