You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Anthony Miller. I want to attend my sister's marriage at Oakland. Can you book a flight ticket from DFW to OAK?

ASSISTANT: May I know your travel dates?

USER: My planned travel dates are 06/01 and 06/03.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight and make sure that my depart time should be at morning.

ASSISTANT: Ok, Delta airlines is providing the flight with single connections and the flight fare is 300. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: May I know the flight number?

ASSISTANT: Your flight number is 1021.

USER: Thank you.

ASSISTANT: Thank you for choosing us.