You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Please assist me in booking a flight ticket from DEN to MSP.

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned travel dates are from Apr 5th to Apr 7th.

ASSISTANT: Do you have any specifications?

USER: I want a business class to tarvel. I want a connecting flight.

ASSISTANT: May I know your name?

USER: I am Edward Perez.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No issue, thank you for your information.

ASSISTANT: Thank you for contacting us.