You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from IAH to MSP to attend Music festival?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Linda Baker.

ASSISTANT: Can I know your trip dates please?

USER: My travelling dates are Aug 2 and Aug 4.

ASSISTANT: Do you have any other requirements?

USER: I want single connection.

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

USER: Ok, Thank you for your service.

ASSISTANT: Most welcome.