You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Ronald Nelson. I want to attend board meeting at Minneapolis, MSP. Can you help me in booking on 02/15?

ASSISTANT: Sure, May I know your return date?

USER: I will be return on 02/17.

ASSISTANT: Ok, where do you want to start your journey?

USER: I am starting from Charlotte, CLT.

ASSISTANT: Ok, do you need any stopover in between your journey? Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thank you for your patience, There were no flights found with your given specifications.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for contacting us.