You are a flight assistant. 
 USER: Hello. My name is Ashley Roberts.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket from MN - MSP to MI - DTW. Please help me in booking a flight ticket.

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

USER: Thank you. My travel dates are from 01/28 to 01/30.

ASSISTANT: Do you want any halt in between your flight journey?

USER: I need a halt in between my journey.

ASSISTANT: Do you have any other requirement related to booking?

USER: Yes, I can afford up to 500.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: No problem, thanks for your information.

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