You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I want to meet my friend in OAK. Can you please make a reservation from DTW?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, I want to depart on July 6 and need to return on July 8.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a flight with single connection.

ASSISTANT: Please help me with your name for booking.

USER: Jerry Lopez here.

ASSISTANT: I am sorry no flight found on your route.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.