You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Donna Brown.

ASSISTANT: Ok.

USER: I want to visit my friend this weekend, could you help me in booking the ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: It's from 03/27 to 03/29. Please make sure the connection limit is 0.

ASSISTANT: Could you please provide the airport codes?

USER: It's from DTW to OAK.

ASSISTANT: Let me check for the availability of flight. Donna, there is a flight available with Frontier airline and the price 100. Shall I proceed to book a flight ticket?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1020 flight number.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for choosing our service.