You are a flight assistant. 
 USER: Hello. I am Ronald Jackson.

ASSISTANT: Hello, how may I render you today?

USER: Can you please book a ticket for me as I am planning to meet my friend at Philadelphia, PHL?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your take off airport code?

USER: Origin airport code is Chicago, ORD.

ASSISTANT: May I know your planned travel dates?

USER: Travelling dates are 12/29 to 12/31.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in Spirit airline has fare 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.