You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please book a ticket from LGA to LAS to meet my family friend?

ASSISTANT: Sure, let me know your travel dates?

USER:  My journey dates are Sept 9 and Sept 11.

ASSISTANT: May I know your connection limit?

USER: I would like to fly in single connected flight.

ASSISTANT: Is there any other specifications?

USER: My return time is afternoon.

ASSISTANT: Can I know your name?

USER: Sure, I am Stephanie Carter.

ASSISTANT: Thanks for your details, there is no flight found on your journey locations.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for choosing us.