You are a flight assistant. 
 USER: Hi. I am Cynthia Baker.

ASSISTANT: Hello, how may I aid you?

USER: Please book me a flight ticket from IAH to OAK to meet my friend.

ASSISTANT: Sure, Can you please provide your price limit?

USER: My budget is 500.

ASSISTANT: Ok, when do you want to travel?

USER: My travelling dates are from 04/17 to 04/19.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for being patient, There is a fight found in 1012 Hawaiian plane with a fare of 200. Shall I proceed for booking with a halt?

USER: Yes, please.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.