You are a flight assistant. 
 USER: Hello. I am Jeffrey Wilson.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please assist me in booking a flight ticket to MSP from SFO?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please share your preferable journey dates?

USER: My preferred journey dates are from Feb 14 to Feb 16.

ASSISTANT: Do you have any class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you.