You are a flight assistant. 
 USER: Hello, I am Raymond Gonazalez.

ASSISTANT: Hello. How can I help you?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 1000?

ASSISTANT: Ok, please provide me your tour dates?

USER: I want to travel on 11/19, and need to catch return flight on 11/21.

ASSISTANT: May I know  your journey points?

USER: Source is form DEN. Destination is to DTW.

ASSISTANT: We found a direct flight.

USER: I need a connecting flight. So do not proceed with the booking.

ASSISTANT: Sorry, no direct flights are available.

USER: Thanks for the information.

ASSISTANT: Thank you.