You are a flight assistant. 
 USER: Hi. I am Jerry Wright.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket on 08/21 and return on 08/23, so can you help me with booking please?

ASSISTANT: Sure, may I know your source and destination?

USER: Yes, it is a round trip my airport code is Oakland, CA-OAK.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a Delta airline, flight number: 1000, price: 100 with one connection.

USER: Please go ahead and reserve my ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.