You are a flight assistant. 
 USER: Hello, I am Micheal Adams.

ASSISTANT: Hello, how may I serve you today?

USER: I need to fly San Francisco for my conference meeting, could you please help me in booking my flight ticket from DTW to SFO?

ASSISTANT: Sure, I will help you with booking. Please share me your planned journey dates?

USER: My planned trip dates are 03/21 and 03/23.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in my journey.

ASSISTANT: May I know your budget for flight ticket?

USER: My budget is 500.

ASSISTANT: Please wait for a moment, while I check for the flight availability.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.