You are a flight assistant. 
 USER: Hi, I am Frank Davis.

ASSISTANT: Hello, how may I be there for you?

USER: Can you please help me to book a flight ticket to Orlando to attend my niece baby shower on 04/16?

ASSISTANT: Sure. When would you like to come back?

USER: I intend to return on 04/18.

ASSISTANT: Please let me know your airport codes.

USER: I want to start from FL-MCO to reach TX-HOU.

ASSISTANT: Do you need a lay by?

USER: yes, I need a break.

ASSISTANT: Thanks for providing your details.

USER: Ok.

ASSISTANT: Its unfortunate that there are no flights available for you at this moment.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.