You are a flight assistant. 
 USER: Hello, Brenda Robinson here.

ASSISTANT: Hello, How can I help you?

USER: I have to planned to attend my brother's birthday celebrations in Oakland, so could you please help me to book a flight from IAH to OAK?

ASSISTANT: Sure, We are here to help you. To book a ticket I need your journey dates. So, can you please provide the dates?

USER: Sure, my departure day is on 10/10 and return would be on 10/12. Make sure that flight should contain 0 connections. Can you please check for it?

ASSISTANT: There was no flight available that matches with your requirements.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for choosing us.