You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please book a ticket from LAS to LAX? As I'm planning to visit Los Angeles.

ASSISTANT: Ok, I am happy to help you with that. Can I know your planned trip dates?

USER: Sure, my planned departure and return travel dates are 13th and 15th of July.

ASSISTANT: Ok, do you have any other requirements?

USER: I want to depart in the afternoon time, I want to travel in normal-cost airlines with single connected flight.

ASSISTANT: May I know your good name?

USER: I'm Ryan Adams.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your journey dates.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.