You are a flight assistant. 
 USER: Hello, myself Shirley Williams.

ASSISTANT: Hello Shirley, how can I assist you?

USER: I would like to visit Orlando to meet my brother, please book a ticket from HOU to MCO.

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are 03/23 and 03/25.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, no problem. I will choose another means of transport.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.