You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from HOU to SEA. Can you check the flight availability on that route?

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned travel dates are 06/23 and 06/25.

ASSISTANT: Do you have any other requirements?

USER: I am comfortable with direct flight only.

ASSISTANT: Can I know your name please?

USER: Sure, Amanda Rodriguez here.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: I want to travel in business class only.

ASSISTANT: Sorry, we did not found any flight.

USER: No issues, thank you for the information .

ASSISTANT: Most welcome.