You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to book a flight from PHL to ATL?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I want to travel on Dec 23 and need to return on Dec 25.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: My name is Jacob Walker.

ASSISTANT: We found a connecting flight of fare 100 with airline American and number 1028. Can I book?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.