You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Raymond Clark. I need to book a flight ticket from OAK to BOS. Could you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: My preferable dates are from 08/18 to 08/20.

ASSISTANT: Do you have any specifications?

USER: Yes, I need single connection flight.

ASSISTANT: We found an airline Delta with flight 1029 having a fare 200 with halt.

USER: Yes, please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.