You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Frank Campbell. I need to book a flight ticket from MSP to ORD. Please help me in booking a flight ticket.

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are from 05/09 to 05/11.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: We found a economy flight on your details with airline Hawaiian, flight number: 1007. Shall I book this ticket?

USER: If it is a direct flight, then please proceed.

ASSISTANT: Sorry, there is no flight on your details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you.