You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me with booking a flight ticket from ATL to SFO?

ASSISTANT: Sure, help me with the trip dates?

USER: My travelling dates are from May 28-30.

ASSISTANT: May I know your name please?

USER: Andrew Scott here.

ASSISTANT: Do you have any preferences?

USER: I would be comfortable with single stop over.

ASSISTANT: We found a flight in an airline United with 1000 number having a single connection in an economy class. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.