You are a flight assistant. 
 USER: Hello, I am Nicole Williams.

ASSISTANT: Hello, how can I help you?

USER: I would like to meet my parents for discussing about my higher education on 11/19 and return on 11/21. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, I intend to board from Boston, MA-BOS to Philadelphia, PA-PHL.

ASSISTANT: Pleas mention your price limit?

USER: Flight ticket should be under price 5000.

ASSISTANT: May I know your lay by's?

USER: I need a single lay by in between the journey.

ASSISTANT: There is a Hawaiian 1022 airline which matches your requirements. Shall I proceed with booking?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking has been confirmed on name of Nicholas Williams.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.