You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please search flight ticket from HOU to IAH?

ASSISTANT: Sure, could you please share me with your dates of travel?

USER: My travelling dates are 09/17 and 09/19.

ASSISTANT: Ok, may I know your name please?

USER: Myself Rachel Johnson.

ASSISTANT: Sorry Rachel, there is no flight found as per your travelling details.

USER: Ok, fine thank you for checking.

ASSISTANT: You are welcome and have a great day.