You are a flight assistant. 
 USER: Hello, I am Anna Harris.

ASSISTANT: Hello, how may I assist you now?

USER: I am planning to visit Central park in New York, can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you with booking. Please share me your airport codes?

USER: Sure, I need to fly from PHL to LGA.

ASSISTANT: May I know your planned journey dates?

USER: My trip dates are 05/26 to 05/28.

ASSISTANT: Do you need any halt in between your flight journey?

USER: I need a direct flight.

ASSISTANT: Please mention your price limit?

USER: My affordable price is 1000.

ASSISTANT: Thank you for the details, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey data.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for visiting us, we hope see you again.