You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to book the flight ticket from PHX to DTW. Can you please help me?

ASSISTANT: I am glad to help you. May I know your trip dates?

USER: My travel dates are Mar 25 and Mar 27.

ASSISTANT: Do you have any connection limit preference?

USER: Yes.

ASSISTANT: Could you help me with your name please?

USER: Elizabeth Parker.

ASSISTANT: Sorry, there are no flights available for the mentioned dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.