You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Karen Rodriguez.

ASSISTANT: How may I assist you?

USER: I am making a reservation from 09/17 to 09/19, could you mind helping me in making my reservation?

ASSISTANT: Sure, may I know your airport codes please?

USER: Sure, I would like to fly from MCO and land in LGA.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Karen, no flights has been found on your journey dates.

USER: That's ok, I will choose any other alternative to reach my destination. Thank you for your help.

ASSISTANT: Thank you for approaching us.