You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: My name is Nicole Thompson here. I would like to book a ticket from EWR to DTW.

ASSISTANT: Sure, May I know the journey dates?

USER: My travelling dates are Feb 13 and Feb 15.

ASSISTANT: Do you have any connection limit?

USER: I would like to board on single connection flight where the return time should be in the evening.

ASSISTANT: Is there any other requirements?

USER: No, I have none.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No problem. Thank you for the help.

ASSISTANT: Thank you for opting us.