You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me in booking flight ticket from DTW to SEA?

ASSISTANT: Sure, can you please share travel dates?

USER: My trip dates are June 27 to June 29.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please share your name.

USER: Alexander Hill here.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.