You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kimberly Campbell. I planned to attend for a wedding in OAK, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, may I know your travelling dates?

USER: I planned to travel on 05/07 and 05/09. I need a direct flight.

ASSISTANT: Sorry, there is no flight found as per your request.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: My pleasure.