You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please share your planned travel dates.

USER: My travelling dates are Jan 30 to Feb 1.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have to depart and arrive at any specific time?

USER: No.

ASSISTANT: Which airline do you prefer to travel?

USER: I prefer to travel any airline.

ASSISTANT: May I know your name please?

USER: My name is Carolyn Jones.

ASSISTANT: We have a connecting flight from United airlines with the price 200. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your economy class ticket is confirmed with the flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for opting us.