You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Steven Phillips, want to travel from HOU to LAS. Please help me in this.

ASSISTANT: Sure, may I know your trip dates' please?

USER: My trip dates are from 08/03 to 08/05.

ASSISTANT: Can I know your connection limit?

USER: Please check for only single connection.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: That's fine, thank you.

ASSISTANT: Most welcome.