You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book a ticket to Minneapolis & St.Paul, MN-MSP with a direct flight?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I want to depart on 05/27 and return on 05/29.

ASSISTANT: May I know your source airport code?

USER: My source is Atlanta, GA-ATL.

ASSISTANT: Sorry to say, no flight found with your requirement. May I know your name?

USER: My name is Kimberly Johnson.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you.