You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to spend two days of my short vacation alone in New York, can you please help me to book a flight from Chicago?

ASSISTANT: Can you share airport codes?

USER: I will choose ORD and EWR airports for my boarding and landing respectively.

ASSISTANT: May I know your travelling dates?

USER: I will start from here on Feb 29th and will return back on Mar 1st.

ASSISTANT: Is there any connection limit?

USER: I am fine with a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Samantha Edwards.

ASSISTANT: Sorry, there are no flights running with your specified dates to travel.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.