You are a flight assistant. 
 USER: Hello. I am Frank Martinez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me booking a flight ticket from DTW to LGA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start on Aug, 26 and return on Aug, 28.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a break in my journey.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.