You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are July 21 and July 23.

ASSISTANT: Can I know your good name?

USER: Alexander Anderson here.

ASSISTANT: Let me know your connection limit.

USER: I prefer a connecting flight.

ASSISTANT: Is there any other preferences?

USER: I prefer a normal cost airline.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in Hawaiian airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please book the ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for supporting us.