You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: How can I book a flight ticket to Washington DC - IAD from Oakland, CA - OAK as this is my first time contacting an agency. Can you assist me?

ASSISTANT: Yes, I am here to help you. Could you please provide me your trip dates?

USER: Ok, I had planned to start my journey on 07/24 and return back on 07/26.

ASSISTANT: Ok, may I know your name?

USER: Ok, my name is Steven Robinson.

ASSISTANT: There is a flight available with Hawaiian airlines and the ticket fare is 100 only. Is that ok for you?

USER: Ok, please book it.

ASSISTANT: Steven, I have confirmed your ticket and your flight number is 1025.

USER: Ok, thank you.

ASSISTANT: You are welcome and thank you for choosing us.