You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in reserving my flight from MSP to reach DEN?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Thank you for the response, my travelling dates are May 21st and May 23rd.

ASSISTANT: Can I know your name?

USER: My name is Jeffrey Johnson.

ASSISTANT: Let me know your requirements?

USER: I want to return in the morning time.

ASSISTANT: There is a business class flight 1025 of Hawaiian airlines, can I proceed?

USER: You can proceed by booking.

ASSISTANT: Sorry to say, there is no flight at morning on your return journey. Sorry for inconvenience.

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

ASSISTANT: Thank you for reaching us.