You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking from DFW to PHX, as there is a conference meeting to attend?

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

USER: My trip dates are Jun 26 to Jun 28.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preference?

USER: I prefer a business class.

ASSISTANT: Can I know your name please?

USER: I am Ashley Gonzalez.

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

USER: No issue, thank you.

ASSISTANT: Thanks for contacting us.