You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Thomas Jackson.

ASSISTANT: How may I guide you today, Thomas?

USER: I have a business meeting in Minneapolis, can you help in booking a flight ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: On which travelling dates that you want to start your trip?

USER: I like to travel on 02/21 and I will be back on 02/23.

ASSISTANT: From which location that you are preferring to start and where is your landing region?

USER: My airport codes are CLT to MSP.

ASSISTANT: Please wait for a while, I will get back with your flight details.

USER: Sure, take your own time.

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

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.

ASSISTANT: Have a great day.

USER: Your most welcome.