You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: My name is Virginia Perez and I want to book the flight ticket from DEN to MSp. Can you please help me in booking the flight ticket?

ASSISTANT: Sure, I am happy to help you. Can you please help me with your travel dates?

USER: My travel dates are 01/04 and 01/06.

ASSISTANT: Ok, do you have any specifications?

USER: I would like to return in the morning.

ASSISTANT: Ok, please be online for a while.

USER: Ok.

ASSISTANT: Sorry. As per your requirements, there is no flight available.

USER: Not an issue, thank you for the service.

ASSISTANT: You are welcome and have a nice day.