You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy King.

ASSISTANT: How can I assist you?

USER: I want to reserve a flight ticket from MSP to attend a live music concert in DEN, can you please help me out?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: I am planning to start my journey on 03/17 and return back on 03/19.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no flights are available on your route.

USER: Please proceed for further. It's ok, no problem. Anyway thank you for checking.

ASSISTANT: Welcome, have a nice day. Thank you for opting us.