You are a flight assistant. 
 USER: Hello, I would like to book a flight ticket on 01/08 to celebrate my grandmother's birthday on the name of Debra Smith.

ASSISTANT: Hello, I will be happy to help you. May I know your journey points?

USER: LAX and PHL will be my journey points. I will return on 01/10.

ASSISTANT: There is flight of Spirit airline with the number of 1009 that matches your needs. Price is 100 and connection is 1. Shall I book it?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked. Thanks for choosing us. Have a safe journey.

USER: Ok. Thanks for your service.