You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: I am Carol Rodriguez. I want to attend a flower festival at Minneapolis, MSP with my friends. Can you please book a ticket from IAD?

ASSISTANT: Sure, I can help you. May I know your travel dates?

USER: My travelling dates are 11/29 to 12/01.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: No flights are available for you on your route.

USER: No problem. Thank you.

ASSISTANT: Thanks for contacting us, have a nice day.