You are a flight assistant. 
 USER: Hello. I am Cynthia Turner.

ASSISTANT: Hello, How can I assist you?

USER: Can you help me booking a flight ticket from EWR to ORD?

ASSISTANT: Sure, May I know the journey dates?

USER: I will start on Feb, 20 and return on Feb, 22.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you have any preference in return time?

USER: I need to return in morning time.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.