You are a flight assistant. 
 USER: Hello, Dennis Smith here.

ASSISTANT: Hello, how may I aid you today?

USER: Me and my friends have planned to go for a photo shoot at Lake Merritt in Oakland, CA-OAK.It's a round trip. Can you please help me in booking a ticket?

ASSISTANT: Sure, may I know your connection limit?

USER: My trip dates are from 11/02 to 11/04. I need a connecting flight ticket on that dates.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight under fare of 100 in Delta airline. Shall I proceed for booking?

USER: That's perfect airline for me, you can proceed for booking.

ASSISTANT: Your ticket has been booked with in flight number 1001.

USER: Thank you.

ASSISTANT: Thanks for opting us.