You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you right now?

USER: I want to book a flight ticket from HOU to MCO in the month of September.

ASSISTANT: Yes, I will definitely help you in that ticket booking. Can you please provide your dates of travelling?

USER: My travelling dates are 09/03 and 09/05.

ASSISTANT: Thank you for your valuable information.

USER: Ok. Please, make sure that price should not exceed 500.

ASSISTANT: Sorry for the inconvenience caused to you, there are no flights obtained when I checked in our data base.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Can you please provide your name for reference purpose?

USER: Sure, I am Katherine Evans.

ASSISTANT: Ok, thank you and have a nice day.

USER: Most welcome.