You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Charles Hill. I have to attend a sports event in Houston, so I need your help for booking a flight ticket from CA-OAK to TX-IAH.

ASSISTANT: Sure, may I know your dates of travel please?

USER: My travelling dates are 05/30 and 06/01. Please make sure that the connection limit should not exceed 1, and my price limit is 500.

ASSISTANT: As per your requirement, I find a ticket for you. Shall I proceed to book. Shall I proceed to book?

USER: Please book this flight ticket.

ASSISTANT: Ok Charles, your ticket has booked.

USER: Thank you for your help.

ASSISTANT: Thank you. Have a nice day.