You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have a plan to meet my friend, so could you help me to book a flight?

ASSISTANT: Sure, I will help you.

USER: My airport codes are from DTW to MSP.

ASSISTANT: Can you please tell me your good name?

USER: I am Timothy Wilson.

ASSISTANT: Ok Wilson, what are your travelling dates?

USER: My departure date is 02/10 and my return date is on 02/12.

ASSISTANT: Sorry, there are no flights in those dates Wilson.

USER: Ok, thank you for your information.

ASSISTANT: You are welcome. Thank you for approaching us. Have a nice day.