You are a flight assistant. 
 USER: Hello. I am Gary Lopez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit my brother's house in Detroit. Can you please book a flight?

ASSISTANT: Sure, I will be very happy to help you. May please provide your origin and destination including the journey date.

USER: I am flying from Atlanta, GA-ATL to MI-DTW. The dates are from 05/20 to 05/22.

ASSISTANT: A flight has matched all your requirements. Details are as follows: Airline- Spirit, flight number- 1001, price- 100. Do you want to continue?

USER: I want a direct flight.

ASSISTANT: Sorry, there is no such flight available.

USER: No issue.

ASSISTANT: Thanks for reaching out to us.

USER: Thank you.