You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Kevin Phillips. Will you help me in booking the flight tickets from OAK to SFO?

ASSISTANT: When you are willing to travel?

USER: My preferable journey dates are 10/29 and 10/31.

ASSISTANT: Wait for a while.

USER: Ok, take your own time.

ASSISTANT: I found a connecting flight-1022 with price 300 of AA airline, shall I proceed?

USER: The price is exceeding my budget limit, my budget limit is 200.

ASSISTANT: According to your budget, we don't have any flights on your route.

USER: Ok, not an issue, thank you for your information.

ASSISTANT: Thanks for choosing us.