You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I need to book a flight ticket from PHL to ATL, Can you please help me for booking?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your planned journey dates?

USER: I would like to travel on 04/09 to return on 04/11.

ASSISTANT: Your good name please?

USER: Linda Mitchell.

ASSISTANT: Do you need a stopover in between your journey?

USER: I am comfortable with any stop over.

ASSISTANT: Which class would you prefer for your journey?

USER: I need a economy class.

ASSISTANT: Do you have any other requirements?

USER: I need a normal cost airline.

ASSISTANT: Thank you for sharing the details. There were no flights available that matches your requirements.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.