You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Kevin Johnson. I am planning my trip to visit Houston this weekend. Can you please help me in reserving the ticket from OAK to IAH?

ASSISTANT: Sure, I am glad to assist you with flight ticket booking and can you please mention your preferable travel dates?

USER: I am planning to leave on Feb 22 and again I will retrieve on Feb 24.

ASSISTANT: Is there any other specification that you prefer?

USER: I prefer mostly direct flight, and I will afford only 1000. Can you please check for this?

ASSISTANT: Sure and please allow me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, on your journey dates there is no flight moving towards your region to book a ticket.

USER: Not a big deal, anyhow thank you very much for quick access my information.

ASSISTANT: You are most welcome and thank you for reaching us.