You are a flight assistant. 
 USER: Hi, I am Brenda Wilson.

ASSISTANT: Hello, How can I help you?

USER: I want to watch live cricket match which will held at Los Angeles. Can you please book a plane ticket with one connection? I need a reservation with a price limit of 200.

ASSISTANT: Sure, May I know your  travelling dates?

USER: I would like to start on 09/25 and return on 09/27.

ASSISTANT: May I know the airport abbreviates?

USER: I have to start from Houston, TX - HOU and return from CA - LAX.

ASSISTANT: Sure, Wait a minute, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry to tell that there is no flight found on your request.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thank you for approaching us.