You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I need to booking a flight ticket from DTW to SFO, can you help me in booking a flight ticket?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my scheduled dates are Aug 7 and Aug 9.

ASSISTANT: Do you have any preferences?

USER: I prefer maximum one connection.

ASSISTANT: May I know your name?

USER: Sure, Anthony Parker here.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, no issues. Than you.

ASSISTANT: Thank you for reaching us.