You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Eric Anderson. Can you please help me to book a flight ticket from SFO to DTW?

ASSISTANT: Sure, please share your planned trip dates?

USER: I have planned my trip dates are June 3 to June 5.

ASSISTANT: Ok, any other requirements to be met?

USER: My price limit is 200 and I need a halt in my journey.

ASSISTANT: Ok, no flights found with your requested details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.