You are a flight assistant. 
 USER: Hello, I am James Adams.

ASSISTANT: Hello,. How may I serve you?

USER: I would like to travel from OAK to DEN. Can you help me to book a ticket ?

ASSISTANT: Sure, please provide your journey dates.

USER: My travelling dates are from 12/18 to 12/20. Please make sure price limit should not exceed 500.

ASSISTANT: Thank you for the information, there is a flight found with number 1011 and JetBlue as airline. It have a connection limit with price 100.

USER: You can proceed for booking.

ASSISTANT: your booking has been confirmed. Thank you for reaching us.

USER: Thank you.