You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Debra Thompson. Can you please book a flight ticket from PHX to MSP?

ASSISTANT: Sure, we are here to help you. May I know your trip dates?

USER: Thank you. I need to travel on dates of 03/26 and 03/28.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need connection 0.

ASSISTANT: Sorry to inform you that, there are no flights on your required dates.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us, we hope to serve you again.