You are a flight assistant. 
 USER: Hi. I am George Roberts.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket on 05/27 to attend my friend engagement. Can you help me in booking a flight ticket?

ASSISTANT: Sure, we are ecstatic to help you. Help me with your depart and arrival airport codes.

USER: Sure, EWR and DEN are my airport codes.

ASSISTANT: May I know when would you like to return?

USER: I would lie to return on 05/29.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: Yes, please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.