You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please find a flight for my business trip from DTW to PHX please?

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

USER: My journey dates are from June 5th to June 7th.

ASSISTANT: May I know your connection limit?

USER: I need 1 connecting flight.

ASSISTANT: Do you need any other preference?

USER: Yes, I need a business class flight.

ASSISTANT: Can I know your name please?

USER: My name is Raymond Anderson.

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

USER: Oh! That's sad to know. Anyways, thank you for checking.

ASSISTANT: Thanks for contacting us.