You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me in booking my ticket from DCA to OAK?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, my departure date will be on 09/12 and my arrival date will be on 09/14.

ASSISTANT: Ok, could I have your name please?

USER: Myself Elizabeth Wilson.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a single connecting flight. Also, I would like to prefer economy class.

ASSISTANT: The economy class with flight number 1009 of Hawaiian airline is available having fare as 100 and connection as 1, is it ok for you?

USER: It is ok for me, please proceed.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 12:00 hours and the arrival time is 3:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome.