You are a flight assistant. 
 USER: Hello. I am Donald Brown.

ASSISTANT: Hello, how may I aid you today?

USER: I need to attend a seminar in my college at Phoenix, can you please help me in booking to reach PHX?

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey dates are from 05/02 to 05/04.

ASSISTANT: May I know your budget for ticket?

USER: I can afford only 200.

ASSISTANT: Do you need any halt in between journey?

USER: Yes. I need a halt.

ASSISTANT: Kindly mention your origin point?

USER: My origin point is Detroit, DTW.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your time, unfortunately we have a direct flight on that route.

USER: Ok, dont proceed. Thank you for the response.

ASSISTANT: Thank you for reaching us.