You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Timothy Phillips here.

ASSISTANT: Good morning Timothy, how can I assist you today?

USER: I would like to travel PHX to meet my friend to discuss about the meeting, can you book a flight from DTW?

ASSISTANT: Sure, I will help you with booking. On which dates do you like to travel?

USER: My dates would be 05/30 and back on 06/01.

ASSISTANT: Ok, please be hold on for a moment to find a flight as per your details.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to inform you that no flight is available to you on your dates.

USER: Ok, that's fine. Thank you for your help in searching.

ASSISTANT: My pleasure. Thank you for choosing us.