You are a flight assistant. 
 USER: Hi, Dorothy Gonzalez here.

ASSISTANT: Hello, how may I be of your assistance?

USER: I have to attend a memorial day event  in Chicago IL - ORD on 05/28. Can you help me with that?

ASSISTANT: Sure, may I know your source and return date?

USER: Sure, I want to fly from NY - EWR,  and my return date is on 05/30.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: thanks for waiting. Unfortunately there are no flights found with your requirement.

USER: Ok, no issues.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Thanks for your information.