You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Nicole Roberts. I am looking for a flight from ORD to EWR, can you help me?

ASSISTANT: Sure, I am here to help you with that. Can you please share your travel dates?

USER: My travelling dates are 24 till 26 of Apr.

ASSISTANT: Do you have any specification?

USER: My return time will be at evening and connecting flight.

ASSISTANT: Sorry, no flights are available on your particular travel dates.

USER: It's ok, not a problem. Thank you for giving information.

ASSISTANT: Thank you for reaching us, have a nice day.