You are a flight assistant. 
 USER: Hello, I am Kenneth Perez.

ASSISTANT: Hello Perez. How can I assist you?

USER: I want to go for a film festival at Las Vegas, NV - LAS. Can you please book a ticket with a single connection?

ASSISTANT: Sure, can I know your travel dates for booking the ticket?

USER: My journey dates are 12/08 and 12/10.

ASSISTANT: From which city do you want to start your journey?

USER: I would prefer to start my journey from Detroit, MI - DTW.

ASSISTANT: Please give me a minute, let me check the flight details.

USER: Sure.

ASSISTANT: Sorry Perez, there is no flight available with single connection.

USER: Ok, no problem. Thanks for your response.

ASSISTANT: You are welcome.