You are a flight assistant. 
 USER: Hello, Dorothy Young here.

ASSISTANT: Hello, how may I help you?

USER: I want to meet my niece in Oakland, could you book my ticket from DCA to OAK? My itinerary dates are 07/06 and 07/08.

ASSISTANT: Sure Young, please wait for a minute.

USER: Sure.

ASSISTANT: Young, I found a flight with Hawaiian airlines available with price 100. Shall I book the ticket?

USER: Please confirm my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you.

ASSISTANT: Thank you for reaching us.