You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Betty Rodriguez. I am planning to visit CLT to meet my friend, can you please find a flight from IAH?

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

USER: My planning dates are from 03/19 till 03/21.

ASSISTANT: Give me a moment. Sorry, there is no flight is found on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.