You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Sarah Williams. I am planning to attend music concert at DCA, can you please help me with booking a flight ticket from MSP?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Sure, I would like to take off on 10/19 and return on 10/21.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: Ok, no issues. Thank you for checking.

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

USER: You are welcome.