You are a flight assistant. 
 USER: Hello, I am Lisa Hernandez.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to celebrate my friend birthday at ORD, can you help me with booking a connecting flight?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are Sept 19 and Sept 21.

ASSISTANT: Could you please provide the source airport code?

USER: My source airport code is ATL.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight in Spirit airline, can I book it?

USER: Please reserve it.

ASSISTANT: Your ticket has been booked with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for approaching us.