You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Rebecca Hernandez. Can you check whether there are any flights available on the dates 07/01 and 07/03?

ASSISTANT: Sure, may I know your source and destination points?

USER: Yes, I would like to travel from AUS to IAH.

ASSISTANT: Sure, please hold on, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for holding on, we are happy to inform you that we have found a flight of AA airlines, flight number-1005 connections-1 and price limit is 300. Shall I proceed to booking?

USER: Can you please check for the flight with price limit 200?

ASSISTANT: Sorry, unfortunately, we did not  find  any flight with that fare.

USER: That's ok, thank you.

ASSISTANT: You are welcome, thanks for your interest.