You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you today?

USER: I am Amanda Martin, I want to book a direct flight to Detroit Windsor Sculpture Park with my friend. Can you book a flight under price of 500?

ASSISTANT: Sure, I am perky to help you. When you have planned to travel?

USER: I will fly on 11/12 and return on 11/14.

ASSISTANT: Kindly assign your source and destination points?

USER: I like travel from CA-SFO and destination is MI-DTW.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting sorry there is no flights found on your stop overs.

USER: Ok, thank you for the details.

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