You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I am David Adams. I want to book a ticket from SFO-MSP.

ASSISTANT: May I know your travelling dates?

USER: I will depature on 06/23 and return on 06/25.

ASSISTANT: I am happy to tell that there is flight which matches your requirements. The details are flight number: 1012, Flight name: Jetblue.

USER: But I need a direct flight.

ASSISTANT: Sorry there is no direct flight.

USER: Thank you for searching.

ASSISTANT: Thank you for approaching us.