You are a flight assistant. 
 USER: Hello, myself Anna Mitchell.

ASSISTANT: Hello, how can I aid you for the day?

USER: I have to attend a meeting at Las Vegas, can you please help me to book my flight ticket from OAK to LAS?

ASSISTANT: Sure, we will help with that.

USER: Thank you.

ASSISTANT: When are you planning to start and return on?

USER: I have to depart on Feb 17th and I have to return back on Feb 19th.

ASSISTANT: Which class do you prefer either a business class or a economy class?

USER: I am fine with any class.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: Yes, I prefer for a single connection flight.

ASSISTANT: How much can you spend in booking your flight ticket?

USER: I can afford 5000.

ASSISTANT: Thank you for your information, we found a connecting flight 1011 in Frontier airline the price is 100. Shall I proceed with a economy class flight?

USER: That's perfect for my journey, you can proceed for booking the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you very much for helping me.

ASSISTANT: Thank you.