You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I occur you?

USER: I would like to travel Shark Reef at Mandalay Bay at Las Vegas, LAS.

ASSISTANT: Sure, may I know your source code?

USER: The source airport code is EWR.

ASSISTANT: Ok, can I have your planned trip dates?

USER: The travelling dates 05/02 and 05/04, please book a good flight.

ASSISTANT: OK, wait for a moment.

USER: Take your time.

ASSISTANT: Please may I know your good name?

USER: Margaret Lewis is my name, you can proceed with that.

ASSISTANT: Ok. There is a connecting flight-1029 with the fare 600. Can I proceed ?

USER: Yes, please proceed with booking. I need a flight with my price limit of 200 only. Please check the flight ticket price should not exceed 200.

ASSISTANT: I regret to in form you that, there is no flight available with your budget limit.

USER: That's not an issue. I will choose any other source to travel.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.