You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: My name is Janet Campbell, can you help me to book a flight ticket from ATL to MSP?

ASSISTANT: Sure, I here to help you out. Please provide me your trip dates.

USER: I want to fly on 05/30 and return on 06/01.

ASSISTANT: Can I know your name please?

USER: Already mentioned.

ASSISTANT: Sorry Janet, there is no flight in your route.

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

ASSISTANT: Thank you for contacting us.