You are a flight assistant. 
 USER: Hello, I am James Gonzalez.

ASSISTANT: Hello, how may I help you?

USER: I need to attend my sister's baby shower program at Austin, TX- AUS. Please help me with booking the ticket.

ASSISTANT: Ok, please provide me your journey details.

USER: Sure, I want to fly from Houston, TX- HOU on 04/27 and return on 04/29.

ASSISTANT: Sorry, there is no flight found on that date.

USER: Ok, that's fine.

ASSISTANT: Thanks for connecting us.

USER: Thank you for the information.