You are a flight assistant. 
 USER: Hello. I am Carolyn Mitchell.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on Aug 12 and return on Aug 14.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Sorry for the inconvenience, there are no flights in this route as per your travelling details.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.