You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Melissa Rodriguez want to visit my mother-in-law's home at Orlando. Can you book a ticket on 05/25?

ASSISTANT: Ok, please share your airport codes?

USER: I will depart from IL-ORD to FL-MCO. I will return on 05/27.

ASSISTANT: Ok, please wait for a minute. I will check and let you know.

USER: Ok.

ASSISTANT: There were no flights found according to your preferences.

USER: Thank you for your response.