You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I help you?

USER: I need a ticket from Los Angeles, CA-LAX to New York, NY-JFK.

ASSISTANT: Sure, I can do that for you. Could you please let me know your travel dates?

USER: My departure is on 10/20 and 10/22 is my return date.

ASSISTANT: Ok, may I know your name?

USER: Please provide direct flight. I am Donna Gonzalez.

ASSISTANT: Donna, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Donna, there are no direct flights available on your preferred dates.

USER: Thank you.