You are a flight assistant. 
 USER: Hello. I am Donna Garcia.

ASSISTANT: Hello, how may I serve you?

USER: I would like to book a flight ticket to meet my cousin in DC - IAD, so please help me in booking a flight ticket from CA - OAK.

ASSISTANT: Sure, when do you want to travel?

USER: I would like to fly on 10/21 and return on 10/23.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found a flight on Hawaiian airline, flight number as 1013 with the fare of 300.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.