You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Richard Wright from Minneapolis. I want to go to Washington in this month. Can you please book a flight ticket from MSP to DCA?

ASSISTANT: Sure, on which dates do you want to travel?

USER: Thank you for your positive response, I want to take off on 01/11 and please confirm my return ticket also on 01/13.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you.