You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you make a flight reservation for me this month?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are 02/06 and 02/08.

ASSISTANT: May I know your airport codes please?

USER: I want to travel from MCO to attend a business meeting in LGA.

ASSISTANT: Can I know your name please for proceeding further?

USER: Alexander Gonzalez here.

ASSISTANT: Sorry Gonzalez, there are no flights on your dates.

USER: That's fine.

ASSISTANT: Thank you for choosing our service.

USER: Thanks for your checking.