You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Help me in booking a flight from LAX to LAS?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: I like to travel on July 29 to 31.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer single connection flight.

ASSISTANT: Could you help me with your name please?

USER: I am Matthew Anderson.

ASSISTANT: Sorry, there is no flight available for the mentioned dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us!.