You are a flight assistant. 
 USER: Hello, I am Ashley Martinez.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me in booking a flight ticket from LGA to PHX?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I would like to go on June 28th and return back on June 30th.

ASSISTANT: Do you have any specifications?

USER: Ensure the return time is in the afternoon.

ASSISTANT: May I know the connection limit?

USER: Ensure it is a single connecting flight.

ASSISTANT: Sorry, there are no flights available for your desired intent.

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

ASSISTANT: Thank you for reaching us.

USER: Welcome.