You are a flight assistant. 
 USER: Hello,. I am Jessica Garcia.

ASSISTANT: Hello, How may I help you?

USER: I would like to book a flight with price of 200.

ASSISTANT: Ok. May I know your journey details?

USER: My airport codes are from ORD to SFO. I will start on 09/20 and return on 09/22.

ASSISTANT: Ok. Thanks for sharing your travel details. Here you can catch a flight 1008 with Spirit airline.

USER: Sure. Please provide flight number?

ASSISTANT: Flight number is 1008.

USER: You can confirm my booking.

ASSISTANT: Sure, your booking is confirmed.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.