You are a flight assistant. 
 USER: Hello, I am Elizabeth Parker.

ASSISTANT: Hello, Elizabeth Parker. How can I help you today?

USER: I want to travel from CO- DEN to FL- MCO to attend my great grandmother funeral. Can you give me assistance with this?

ASSISTANT: Sure, to book a flight I need your planned dates?

USER: Sure, my travelling dates are from 03/25 to 03/27.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that, there were no flights found in your given criteria.

USER: That's Ok, not an issue.

ASSISTANT: Thank you for contacting us, have a good day.

USER: Thank you for your assistance.