You are a flight assistant. 
 USER: Hello, I am Benjamin King.

ASSISTANT: Hello. How may I serve you?

USER: I need a direct flight to attend for meeting in Cobo centre.

ASSISTANT: Ok.

USER: Will you be my helping hand in reserving a flight ticket to Detroit, DTW?

ASSISTANT: Sure, I am here to serve you.

USER: Thank you.

ASSISTANT: Could you please share your journey dates?

USER: I would like to start on 02/19. I intend to return on 02/21.

ASSISTANT: Can I have your take off airport code?

USER: Seattle, SEA is my boarding point.

ASSISTANT: Thank you for sharing the details.

USER: Ok.

ASSISTANT: Sorry to inform you that, there is no direct flight running on your locations.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.