You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Nancy Evans. I am planning to visit OAK to meet my brother, can you please find a flight from HOU?

ASSISTANT: Sure, I will help you to book a flight. Can you please provide me your travelling dates?

USER: My planning dates are from 07/18 till 07/20.

ASSISTANT: Give me a moment.

USER: I need one stopover in my journey.

ASSISTANT: Sorry, there is no flight is found on your route with single connection.

USER: That's ok, thank you for your information.

ASSISTANT: Welcome, have a nice day.