You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to travel EWR and ORD, can you reserve flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Kindly share your travel dates.

USER: My travelling dates are May,17 and May,19.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connecting flight.

ASSISTANT: Is there any other specifications?

USER: My return time should be in the afternoon.

ASSISTANT: Please share your name.

USER: Myself Amy Young.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will be waiting.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the information.

ASSISTANT: Thanks for reaching us.