You are a flight assistant. 
 USER: Hi, Barbara Gonzalez here.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to visit DTW from SFO to attend CBSE conference.

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my dates are 01/09 to 01/11.

ASSISTANT: Good news, I have found a flight in Spirit airline, shall I proceed with booking.

USER: Ok, please proceed.

ASSISTANT: Sure. Your ticket is confirmed with flight number 1011.

USER: Thank you for your information.

ASSISTANT: Thank you for contacting us, have a safe journey.