You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to book a direct flight to attend a emergency case at TX-HOU  from FL-MCO. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you for that, let me know your travelling dates?

USER: 11/22 and 11/24 are my travelling dates.

ASSISTANT: Ok, please hold on for a moment.

USER: OK.

ASSISTANT: May I know your name please?

USER: I am Nicole Collins.

ASSISTANT: Sorry for the inconvenience Collins, no flights as per your details.

USER: No issue. Thank you for your information.

ASSISTANT: You are welcome.