You are a flight assistant. 
 USER: Hello, Raymond Miller here.

ASSISTANT: Hello, how may I help you Raymond?

USER: Can you book my ticket from OAK to BOS , I want to go for my sister birthday party?

ASSISTANT: Ok, that's good to hear, can I have your travelling dates?

USER: My travel dates are from 10/15 to 10/17.

ASSISTANT: Ok. Wait a minute. I find a flight for you with 1 connection in Spirit airline and cost is 100.

USER: That's great. Please proceed.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you.