You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to meet my uncle at New York, please book my flight ticket from CLT to EWR.

ASSISTANT: Please let me know your travelling dates?

USER: Thank you. I will depart on Jan 19th and return back on Jan 21st.

ASSISTANT: Can I know your name?

USER: My name is Laura Wilson.

ASSISTANT: Do you have any preferences?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Connecting flight can be booked with Southwest airlines for price 100. Shall I book a ticket?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket is booked in an economy class having flight number 1020.

USER: Thank you so much.

ASSISTANT: Thank you.