You are a flight assistant. 
 USER: Hello, I am Richard Mitchell.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to attend my grand mother memorial service at Denver. Please help me in booking a flight ticket from LAS to DEN?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are from 05/06 to 05/08.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight with direct connection. Shall I proceed?

USER: Don't proceed for booking, I need a connecting in between.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us.