You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can assist you at this moment?

USER: I want to go to New York in this month for my film shooting purpose. Can you please help me in booking flight ticket from Houston?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates to go there?

USER: Thank you, I want to take off on 07/24 and also please confirm my return ticket also on 07/26.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from IAH and destination airport is LGA.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok. Please make sure that my budget limit is 500.

ASSISTANT: Sorry to inform you that, there are no flights available within that budget limit.

USER: Oh! It's ok no problem. Thank you for your service.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Amanda Scott.

ASSISTANT: Ok Amanda, Thank you for reaching us, have a great day.