You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from CLT to PHL?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I want to start on Sept 06 and return on Sept 08.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know that you have any class preference?

USER: I want a ticket in economy class.

ASSISTANT: Would you let us know if you have any other preferences?

USER: I want to depart at afternoon.

ASSISTANT: Please share your name.

USER: My name is Patricia Adams.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.