You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Susan Harris here.

ASSISTANT: Harris, how can I assist you?

USER: I want to meet my aunt, please book my ticket from MCO to LGA.

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

USER: My trip dates are 01/17 and 01/19.

ASSISTANT: Ok, please be on hold for sometime.

USER: Sure.

ASSISTANT: Sorry Harris, I did not find any flight on your preferred dates.

USER: No problem, thank you.

ASSISTANT: You are welcome and have a nice day.