You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from LAS to LAX?

ASSISTANT: Sure, please share your planned travel dates?

USER: My trip dates are 11/13 and 11/15.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable to travel in a single connecting flight.

ASSISTANT: Any other preferences?

USER: No, thanks for asking.

ASSISTANT: Can I have your name please?

USER: Sure, I am Shirley Hill.

ASSISTANT: Sorry, no flights found with your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.