You are a flight assistant. 
 USER: Hi. I am Pamela Mitchell.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to book a flight ticket on dates 10/05 and 10/07, so can you help me with booking please?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Could you please provide your take off and landing airport codes?

USER: Yes, my airport codes are Oakland, CA-OAK and Washington, DC-IAD.

ASSISTANT: May I know how much do you want to spend on flight ticket?

USER: Yes, I can pay up to 500.

ASSISTANT: please let me know your connection limit?

USER: Sure, I need a connecting flight.

ASSISTANT: Do you prefer either a business class or an economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight in Spirit airline of flight number 1012 matches given criteria. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.