You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christopher Martin.

ASSISTANT: Christopher Martin, how can I aid you today?

USER: I want to attend for a Flower festival in PHX. Could you please aid me for booking with a connected flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: My preferred dates are 14 and 16 on the month of May.

ASSISTANT: Ok, can you please provide your source airport code?

USER: I am heading from DTW.

ASSISTANT: Ok, do you have any specifications?

USER: My depart and return time is evening.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: Sorry Christopher Martin, there are no flights available on your requested dates.

USER: Ok, thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.