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

ASSISTANT: Hello, how may I help you?

USER: Please assist me in booking a ticket from MCO to attend a family get together.

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from 04/16 to 04/18.

ASSISTANT: Ok, let me know your destination airport code?

USER: My destination airport code is PHX.

ASSISTANT: Sorry, there are no flights available for given dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.