You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Los Angeles, will you help me in booking the flight ticket from PHL to LAX?

ASSISTANT: Sure, please help me with your travelling dates.

USER: My travelling dates are Sept 06 and Sept 08.

ASSISTANT: Ok, Do you have any class preference?

USER: I prefer to travel in business class.

ASSISTANT: Ok, please let me know your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1000 United Airlines with a fare of 600. Can I proceed?

USER: You can proceed booking under the name Lisa Carter.

ASSISTANT: Your ticket has been booked in business class.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for opting us.