You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Harris here.

ASSISTANT: How can I assist you?

USER: I want to travel from OAK to JFK.

ASSISTANT: Do you want to book a ticket?

USER: Yes, I want to book my ticket.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 09/20 to 09/22.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: There is a flight with number 1016 in airline Delta, the fare is 200 with 1 connection. Can I book it?

USER: Please proceed it.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thanks.

ASSISTANT: Thank you for opting us.