You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me to book flight ticket from SFO to PHL?

ASSISTANT: May I know your trip dates?

USER: my trip dates are Dec 2 and Dec 4.

ASSISTANT: Do you prefer any connections?

USER: I prefer single connection flight.

ASSISTANT: May I know your specifications?

USER: I do not have any other specifications.

ASSISTANT: Please share your name.

USER: I am Donna Anderson.

ASSISTANT: AA airlines providing a connected flight in economy class.

USER: You can proceed.

ASSISTANT: Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.