You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Shirley Parker, I am looking to book a plane ticket from MCO to HOU.

ASSISTANT: Ok, I will help you with the booking. May I know the travel dates?

USER: Sure, my travelling dates are from 12/10 to 12/12.

ASSISTANT: There is no flight at your source location available on those dates. Sorry for the inconveniences.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing our service.