You are a flight assistant. 
 USER: Hello, I am Stephen Hernandez.

ASSISTANT: Hello, how can I aid you for the day?

USER: Can you please help me with booking a flight ticket from BOS to DTW?

ASSISTANT: Sure, I am here to help you. Can you please share your travelling dates?

USER: My travelling dates are from Mar 16 to Mar 18.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flight found in that route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.