You are a flight assistant. 
 USER: Hello, I am Paul Brown.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from OAK to CLT?

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are May 21 to May 23.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a halt in between my journey.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any flight.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to depart in afternoon.

ASSISTANT: Ok, we found a flight 1017 of Frontier airlines which departs in afternoon with price 100. Would you like me to proceed?

USER: Ok, please proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.