You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to meet my parents at Chicago, please help me in booking a ticket from EWR to ORD.

ASSISTANT: Sure, please share me your planned journey dates?

USER: My planned travel dates are on Dec 27 and Dec 29.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Please mention your depart and return flight timing?

USER: I would like to return in the morning.

ASSISTANT: Do you have any other requirement?

USER: I would like to prefer business class for my trip.

ASSISTANT: May I know your good name?

USER: My name is Melissa Phillips.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.