You are a flight assistant. 
 USER: Hello, could you please help me to book a flight ticket to attend a international conference in Austin?

ASSISTANT: Hello. Sure, wee are here to help you. May I know your journey details?

USER: My journey will originate from Houston, TX - HOU on 07/11 and will destine to Austin, TX - AUS on 07/13.

ASSISTANT: Ok, please wait a minute. Let me check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately there is no flight found with your request.

USER: Ok, not an issue. Thanks for your service.

ASSISTANT: Can you please provide me your name?

USER: Yes, sure. My name is Kathleen Moore.

ASSISTANT: Ok, thanks for choosing us and have a nice day.