You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me to book a flight from PHX to MSP?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: My travelling dates are Mar 14 and 16.

ASSISTANT: May I know with your name please?

USER: My name is Amy Taylor.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I need.

ASSISTANT: Please help me with your class preference.

USER: I prefer business class.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Amy Taylor, I am really sorry to inform you that there are no flights available for your journey.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us. Have a great time.