You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Stephen Baker. I would like to travel on a direct flight from DTW to OAK, can you please help me out?

ASSISTANT: Sure, I will help you about that. Can you please help me about your planned dates of journey?

USER: I am travelling on these dates 09/01 and 09/03.

ASSISTANT: Hold on for a second.

USER: Sure, take your time.

ASSISTANT: Sorry Baker, there is no flights which can reach out your destination point.

USER: Ok no problem, thank you for your services.

ASSISTANT: My pleasure, thank you for reaching out here.