You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to travel to Oakland OAK to see the sun rise in morning. Because, it is very famous place. Could you book a ticket from DTW?

ASSISTANT: Sure, could you please specify your destination code and dates of travel please?

USER: My preferable dates would be 12/27 and returning on 12/29. And airport codes are DTW-OAK.

ASSISTANT: I find a flight ticket with connections limit 0. Shall I proceed to book?

USER: Sorry, please don't book it. I need 1 connection flight.

ASSISTANT: Ok, may I know your good name please?

USER: My name is Gary Perez.

ASSISTANT: Thank you, for choosing us.

USER: You are welcome.