You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Pamela Scott. I want to visit holy places at DTW , can you please book me a ticket from SFO?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: My planned trip dates are June 20th and June 22nd. Make sure that my depart time is in the evening time only.

ASSISTANT: Do you need any halt in your journey?

USER: I need a direct flight to Detriot.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure.

ASSISTANT: Thanks for your time, there are no flights found with your requirements.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, we hope to provide service for the next time.

USER: Anyways, thank you for the information.