You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Davis.

ASSISTANT: Davis, how can I help you today?

USER: Can you please book a flight ticket from DTW to PHX?

ASSISTANT: Sure, I will help you in booking, please share your travelling dates?

USER: I want to depart on 03/20 and return on 03/22. Make sure the connection limit is 0.

ASSISTANT: Davis, no flights as per your details.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.