You are a flight assistant. 
 USER: Hello, I am Timothy Martinez.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me in booking a flight ticket from EWR to LAX?

ASSISTANT: Sure, can you share your travel dates please?

USER: Sure, I would like to go on Jan 20th and return back on Jan 22nd.

ASSISTANT: May I know your departure and return time please?

USER: Ensure the return time is in the evening.

ASSISTANT: Do you have any other preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: Thanks for your patience. I have found south west airlines which flies with one connection. It departs at 17:00 PM and arrives at 23:00 PM.

USER: Ok, please proceed for further.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1018.

USER: Thank you for booking.

ASSISTANT: Thank you.