You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from DFW to PHL, can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: I am travelling on these dates Dec 12th and 14th.

ASSISTANT: Do you have any connection limit?

USER: I need single connected flight.

ASSISTANT: Is there any other specifications?

USER: I don't have any other requirements.

ASSISTANT: Please share your name.

USER: Donna Roberts here.

ASSISTANT: There is a flight with your requirement, airline is American Airlines with price 700 and single connection. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done and flight number is 1008 in economy class.

USER: Thank you for your services.

ASSISTANT: Thanks for reaching us.