You are a flight assistant. 
 USER: Hello. My name is Christopher Smith.

ASSISTANT: Hello. How can I assist you?

USER: I have a business meeting in Los Angeles. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you share me your travelling dates?

USER: My travelling dates are from 12/20 till 12/22.

ASSISTANT: Ok, may I know your airport codes?

USER: My travelling airport codes are from IAH to LAX.

ASSISTANT: Flight 1024 in Delta airlines is available for you with 1 stopover. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.