You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help can I do for you?

USER: I want to book a flight ticket to attend my sister's baby shower function in LGA. Can you make a reservation from PHX?

ASSISTANT: Sure, may I know your specified travelling dates?

USER: My travelling dates are from Aug 15 to Aug 17.

ASSISTANT: Do you prefer to travel in a connecting flight or a direct flight?

USER: I prefer to travel in a direct flight.

ASSISTANT: Ok, may I know your name please?

USER: My name is Brenda Scott.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there are no flights found on your travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching us.