You are a flight assistant. 
 USER: Hi, I am Brenda Green.

ASSISTANT: Hello. How can I serve you?

USER: I want to book a flight ticket from OAK to visit Olympic National Park in DTW, could you please help me to book a flight ticket?

ASSISTANT: Sure. On what dates will you be travelling?

USER: I need to depart on Apr 30th and my return date will be on May 2nd.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number:1006 and the price is 100. Can I reserve it with an economy class?

USER: That's perfect, you can book the economy class ticket.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for choosing us.