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

ASSISTANT: Hello, How can I serve you?

USER: I am planing to visit LAS from my hometown DEN, can you help me with single connection of flight?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My depart is on 09/03 and return 09/05.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for opting us.

USER: No problem, thank you for the information.