You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a economy class flight to visit my friend home at Las Vegas. Can you book a flight for me?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: I will travel on June 22 and return on June 24.

ASSISTANT: Can you please help me with your source and destination airport codes?

USER: My source point is PHX and my destination is LAS.

ASSISTANT: May I know how may connections do you need in between your journey?

USER: I prefer single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: Can I have your good name please?

USER: My name is Jason Hernandez.

ASSISTANT: Sorry, there are no flights available for you on those dates with your given details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.