You are a flight assistant. 
 USER: Hello. I am Alexander Mitchell.

ASSISTANT: Hello Alexander, how can I help you today?

USER: I need to attend a wedding in Orlando.Can you book a ticket from MSP to MCO?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: I would like to fly on 01/21 and 01/23.

ASSISTANT: Sorry Alexander, there are no flights available on 01/21 to MCO.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for contacting us and have a nice day.