You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to go to EWR next week so can you please help me in flight ticket booking process from PHL?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you for your response, I want to take off on Dec 14 and book my return ticket also on Dec 16.

ASSISTANT: Do you have any specifications?

USER: I want to travel in business class.

ASSISTANT: Do you have any other specifications?

USER: I need 1 break in between my journey.

ASSISTANT: Please provide your name.

USER: Sure, my name is Susan Scott.

ASSISTANT: There are no flights found under your preferable details.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Welcome, have a great day.