You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Could you please help me to book a flight ticket from EWR to LGA?

ASSISTANT: May I know your travel dates?

USER: My trip dates are Mar 10 and Mar 12.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I want to depart in the evening.

ASSISTANT: May I know your name please?

USER: I am Edward Jones.

ASSISTANT: Here, I found a flight for you with 1 stopover in economy class and it costs you 100. Can I proceed?

USER: Ok, proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.