You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me with booking a flight ticket from PHL to EWR?

ASSISTANT: Sure. Can you please mention your preferable travel dates?

USER: My travel dates are July 08 and 10.

ASSISTANT: May I know your name for further process?

USER: My name is Anna Williams.

ASSISTANT: Do you have any another specifications?

USER: I need a direct flight.

ASSISTANT: Do you have any another preferences?

USER: I prefer business class.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the help.