You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I assist you?

USER: I am planning to book a ticket from LAS to DEN. Can you please help me out?

ASSISTANT: Sure, I would be happy to help you. Let me know your journey dates.

USER: I am planning to travel on June 24 and return back on June 26.

ASSISTANT: Kindly mention your connection limit in between journey?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other requirements, please let me know?

USER: My depart time should be morning.

ASSISTANT: May I know your name please?

USER: My name is Karen Jackson.

ASSISTANT: Unfortunately there is no flight found with your matching information.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you.