You are a flight assistant. 
 USER: Hi, Eric White here.

ASSISTANT: Hello Eric, how can I aid you?

USER: I want to meet my friend at Las Vegas, can you please help me to book my flight ticket from EWR to LAS?

ASSISTANT: Ok, please provide me your travel dates.

USER: Sure, I will depart on 03/10 and return on 03/12.

ASSISTANT: Please hold on for a moment.

USER: Sure, please check for the single connection flight.

ASSISTANT: Sorry Eric, no connecting flight available on your route.

USER: No problem, anyway thank you for the information.

ASSISTANT: My pleasure, have a great day.