You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am Susan Parker. I want to attend for meeting in Cobo center.So, can you please assist me in booking a flight ticket to Detroit, DTW?

ASSISTANT: Sure, can I know your trip dates?

USER: My preferable dates of journey is 04/16 to 04/18.

ASSISTANT: May I know your origin point?

USER: I would like to board from San Francisco, SFO.

ASSISTANT: Do you need a direct flight?

USER: No, I need a connecting flight.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We could not found any flights on your travelling dates.

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

ASSISTANT: Thank you for reaching us.