You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance for you?

USER: My name is Kimberly Adams, planning to book a plane ticket from OAK to DEN.

ASSISTANT: Ok, I am here to help you. Could you please provide your wiling dates to travel?

USER: Sure, my preferable travelling dates are from 07/29 to 07/31.

ASSISTANT: Ok, please wait a moment I will check for best service on your dates.

USER: Ok.

ASSISTANT: Thank you for waiting, I found a flight 1020 in Hawaiian matching your details with price 800. Shall I proceed?

USER: Please don't proceed, it is exceeding my budget range to travel.

ASSISTANT: Ok, sorry for the inconvenience.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.