You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Shirley Rodriguez.

ASSISTANT: How can I assist you today?

USER: I have a franchise meeting at Detroit this weekend. Can you please help me in reserving the ticket from PHX to DTW?

ASSISTANT: Ok, please can you let me know the dates of your journey?

USER: I am planning my trip on Jan 27, and again I will return back on Jan 29.

ASSISTANT: Sorry, there are no flight available on the dates you need.

USER: Not a big issue, I will choose an other way to reach my destination.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you very much for your information. You are welcome.