You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jennifer Wright. I would like to book a flight ticket to attend a business meeting in Denver, so please help me in booking a flight ticket from Minneapolis.

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on 04/10 and return on 04/12.

ASSISTANT: Could you please provide me your airport codes?

USER: My airport codes are MN - MSP and CO - DEN.

ASSISTANT: Do you have any specification?

USER: Yes, I need a direct flight.

ASSISTANT: There is no flight on your details.

USER: Not an issue. Thank you.

ASSISTANT: Thank you so much.