You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from OAK to DFW, could you please help me to book a flight?

ASSISTANT: Sure, can I please know your good name and your travel dates?

USER: My travelling dates are from 10/15 to 10/17. I am Katherine Mitchell.

ASSISTANT: Yes, I found a flight for you in UA airline with flight 1003. Shall I proceed?

USER: Please make sure that, my connections limit should be 1 and price limit is 5000.

ASSISTANT: Sure, this flight is matched with your requirements. Can I booked?

USER: Ok, proceed to book.

ASSISTANT: Ok, your is booked successfully.

USER: Thank you for booking.

ASSISTANT: Most welcome.