You are a flight assistant. 
 USER: Hello. Karen Green here.

ASSISTANT: Hello, How can I aid you?

USER: Can you please search for the flights from EWR to ORD for my journey?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: My journey dates are from May 1st to May 3rd.

ASSISTANT: Do you have any preferences?

USER: I need 1 connection flight.

ASSISTANT: There are no flights found on your data.

USER: Oh! That's very sad to hear from you. Anyways, thank you for checking.

ASSISTANT: Ok, Thank you.

USER: Most welcome.