You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in booking me a flight from HOU to reach MSP?

ASSISTANT: Sure, could you please mention with your dates of journey?

USER: Thank you, I would like to start on Oct 18th and return on Oct 20th.

ASSISTANT: May I know your good name please?

USER: I am Nancy Campbell.

ASSISTANT: Are you looking for any other help from my side please?

USER: I prefer a flight which has maximum a single connection.

ASSISTANT: Please wait for a moment.

USER: Make sure that, I prefer a business class.

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

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: You are welcome.