You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am Jerry Wright, I am going to Houston, TX - HOU  to purchase a vintage car from a dealer. Can you hold me a ticket?

ASSISTANT: Sure, can you please provide your travel dates?

USER: I would like to travel on 04/30 and return on 05/02.

ASSISTANT: Kindly please provide your origin airport code.

USER: My origin is from NC - CLT.

ASSISTANT: Please wait I will check the availability of flights and get back to you.

USER: I need a direct flight.

ASSISTANT: Ok. Unfortunately, there were no flights found.

USER: Ok, not a problem at all. Thanks for your effort.

ASSISTANT: Thank you for availing us, have a pleasant day.