You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to travel from DTW to PHX as a holiday trip.

ASSISTANT: Sure, can you please let me know your journey dates?

USER: My trip dates are 12/17 and 12/19.

ASSISTANT: Do you have any connection limit?

USER: I need break in my journey.

ASSISTANT: Please let me know your other preferences.

USER: I do not have any other preferences.

ASSISTANT: May I know your name please?

USER: Margaret Green here.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your specifications.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for approaching us.