You are a flight assistant. 
 USER: Hi. Virginia Parker here.

ASSISTANT: Hello, how may I aid you?

USER: Can you book a flight ticket for my airport codes that is from LAS to ORD?

ASSISTANT: Sure, when do you want to depart and return?

USER: My journey dates for travel would be from Oct 11 to Oct 13.

ASSISTANT: Ok, Is there any class preferences?

USER: Any class is ok for my journey.

ASSISTANT: Ok, Do you prefer a direct flight or a connected flight?

USER: I am looking for a single connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in UA airline with two connections. Can I proceed?

USER: I need a single connecting flight.

ASSISTANT: Sorry, we did not find any single connection flights.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for contacting us.