You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I aid you at this moment?

USER: Please book a flight ticket to SFO from ORD to meet my parents in my holidays.

ASSISTANT: I am here to help you about your flight ticket booking. Can you please let me know your planned dates of journey?

USER: Thank you and I would like to departure on 02/03 and arrival back to ORD on 02/05.

ASSISTANT: I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Spirit airlines. Shall I proceed with this flight ticket booking?

USER: Yes, please proceed with booking on my name Ryan Parker.

ASSISTANT: I have booked your flight ticket with the flight 1021. Have a safe journey.

USER: Thank you for help.

ASSISTANT: You are most welcome, thank you for using our service.

USER: You are welcome.