You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning for a trip from DEN to OAK, can you help me over that?

ASSISTANT: Sure, I will help you. When would you like to plan your journey?

USER: Ok, my travelling dates are from Feb 21 to 23.

ASSISTANT: Can I have your name please for booking purpose?

USER: Sure, I am Pamela Mitchell.

ASSISTANT: Do you need a connecting flight?

USER: I need a flight with 1 connection.

ASSISTANT: May I know your other specifications?

USER: I don't have.

ASSISTANT: I found an economy class in United Airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Yes, please.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.