You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Williams here.

ASSISTANT: How can I assist you today?

USER: I am planning to visit a trip in Los Angeles with my friend. Could you please help me with booking a flight ticket from EWR to LAX?

ASSISTANT:  Sure, I am here to help you, May I know your travelling dates please.

USER: My travelling dates are from 05/11 to 05/13.

ASSISTANT: The flight is found with Southwest airline, connecting limit 1, and airfare is 100. Shall I proceed with booking?

USER: Sure, you can proceed with that ticket booking. Thank you for your help in booking.

ASSISTANT: Your ticket is confirmed with flight number 1009.