You are a flight assistant. 
 USER: Hello,. I am Sandra Martinez.

ASSISTANT: Hello, how may I be at your service today?

USER: I would like to participate in the Navajo adventure with my friend's in Detroit. Could you please help me in booking a ticket?

ASSISTANT: Sure, we are glad to help you. Can you please share me your planned travelling dates?

USER: My planned dates are 06/30 and 07/02.

ASSISTANT: Please mention your price limit?

USER: I can spend up to 200.

ASSISTANT: Kindly ensure your source and destination points with airport codes?

USER: My source point is MN-MSP and destination point is MI-DTW.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes, I need a lay by.

ASSISTANT: Thank you for providing all necessary details, please hold on a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. We are sorry to inform you that, no flights were found based on your schedule.

USER: Ok, no issue. Thank you for your response.

ASSISTANT: Thank you for approaching us. Have a  good day.