You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Patrick Garcia. I need to attend my sister birthday party at Philadelphia, PA - PHL.

ASSISTANT: Ok.

USER: Can you please book me a flight ticket from New York, NY - EWR?

ASSISTANT: Can you please provide your travelling dates?

USER: My travelling dates are 05/03 and 05/05.

ASSISTANT: May I know your price limit?

USER: 5000 is my price limit.

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

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for contacting us.