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

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket to Houston, can you please help me out?

ASSISTANT: May I know your airport codes?

USER: I am travelling from LGA to IAH.

ASSISTANT: Please provide your trip dates.

USER: I am flying on these dates 11/04 and 11/06.

ASSISTANT: There is a direct flight available. Can I proceed?

USER: Sure, you can proceed wih this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for your services.

ASSISTANT: Most welcome.