You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: My name is Janet Thomas, can you help me to book a flight ticket from NY -  EWR to PA - PHL?

ASSISTANT: Sure, can you share your trip dates?

USER: Ok, please book a flight ticket for the date Oct 5th and return trip is Oct 7th.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a business class flight for a connecting flight.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you for opting us.