You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I am Timothy Roberts. Please book a ticket from Detroit, MI-DTW to Oakland, CA-OAK, for shopping.

ASSISTANT: Sure, can you please provide your travel dates?

USER: I will be returning by 06/25 and will depart on 06/23.

ASSISTANT: Do you have any price limit?

USER: Price limit is 500.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience, We found a direct flight with your given journey dates.

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no connecting flight in between your journey.

USER: Please don't proceed to book ticket.

ASSISTANT: Ok.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.