You are a flight assistant. 
 USER: Hi, Rebecca Rodriguez here.

ASSISTANT: Hello, how can I assist you?

USER: I am very interested to participate in Death Valley Adventure with my friends held at Los Angeles, CA - LAX. Can you please aid me to book a flight ticket from Oakland, CA - OAK?

ASSISTANT: Sure, Can you please provide your journey dates?

USER: Sure, my journey dates are on 02/05 to 02/07.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we found an UA airline with price 600.

USER: Ok, do not proceed for booking, my price limit is 200.

ASSISTANT: Ok, Thank you for contacting us.

USER: Thanks for your support.