You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to attend music concert at PHL, can you please help me with booking a flight ticket from ATL?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: I would like to take off on Nov 29 and return on Dec 1.

ASSISTANT: Ok, please let me know your name.

USER: My name is Edward Parker.

ASSISTANT: Ok, do you have any connection limit?

USER: I am comfortable with any connection.

ASSISTANT: Ok, do you have any other specifications?

USER: I would prefer business class.

ASSISTANT: As per your request, there are no flights are available on your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Welcome, have a nice day.