You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: My name is Patricia Garcia. I need to book a flight ticket from LGA to LAS. Please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from 04/29 to 05/01.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Do you have any specifications?

USER: I need to depart in the afternoon.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.

USER: Most Welcome.