You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Cynthia Jones. I would like to visit Detroit to celebrate my friend's birthday so please help me with flight ticket booking from Oakland.

ASSISTANT: Yes, I can help you with that. Do you have any idea on the airport codes? If yes, please provide me the codes.

USER: Sure, I would like to travel from OAK to DTW as these are much near to my travelling locations.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I have planned my travel dates as 11/18 and 11/20.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time to check.

ASSISTANT: Ok, there is a flight 1017 in Southwest airline matching your details with price 200. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.