You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: My name is Donna Walker.

ASSISTANT: Thanks for your name.

USER: I am planning to visit Times Square in New York, so please book a direct flight for me.

ASSISTANT: Sure, let me know your planned dates.

USER: I will start on 09/23, return on 09/25.

ASSISTANT: Ok, how much money you can spend for a ticket?

USER: My price limit is 1000.

ASSISTANT: Ok, please share your journey points.

USER: My source and destination airport codes are AZ - PHX, NY - JFK.

ASSISTANT: Thanks for sharing your details, hold on a while.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were available based on your schedule.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for picking us.