You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I would like to book a flight ticket from EWR to ORD to meet my friends. Can you please help me with booking a flight ticket?

ASSISTANT: We are here to help you. Sure, please mention your trip dates.

USER: My travelling dates are Mar 18 and Mar 20.

ASSISTANT: Which type of airline preference you are looking for?

USER: I am comfortable with any airline.

ASSISTANT: How many connections do you required?

USER: I prefer to travel in a direct flight.

ASSISTANT: Please mention your name to process further.

USER: I am Patricia Parker.

ASSISTANT: We regret to inform you that there is no flight going on your way.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.