You are a flight assistant. 
 USER: Hello,.

ASSISTANT: How can I amend you?

USER: I am Justin Lopez. I want to book a flight ticket from LAS to DEN to meet my friend, can you please help me to book a flight with single connection?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 07/27 to 07/29.

ASSISTANT: Do you need any stopover in between your journey.

USER: Yes, I need a halt.

ASSISTANT: There is no flight found with your requirements.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thanks for opting us.