You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to book a flight ticket from DCA to OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are June 08 and June 10.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer connecting flight on this route.

ASSISTANT: Do you have any another specifications on your journey?

USER: No, thanks for asking.

ASSISTANT: Can I know your name please?

USER: I am Nicholas Martinez.

ASSISTANT: Southwest  Airlines providing a flight with the price 300 with single connection. Can I proceed for the booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket reservation done with the flight number 1007.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.