You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Patrick Miller. I would like to book a flight ticket from OAK to BOS.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to move on 06/25 and return back on 06/27.

ASSISTANT:  I found a flight 1019 of Spirit airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.