You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I am planning to visit the Central Park in New York, LGA. Can you check flights to book with a direct flight?

ASSISTANT: Sure, we will help you.

USER: Ok, Thank you.

ASSISTANT: Will you help me with your journey dates?

USER: Sure. I need a flight on 08/02. I will arrive on 08/04.

ASSISTANT: Fine, please provide your source details.

USER: I should board from Philadelphia, PHL.

ASSISTANT: Ok, May I know your name please?

USER: I am Frank Anderson.

ASSISTANT: Ok, Frank Anderson, please wait for a moment.

USER: Ok.

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

USER: Thank you.

ASSISTANT: Thanks for being in touch with us.