You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Patricia Parker.

ASSISTANT: How can I help you?

USER: Can you help me in booking on 03/18 to 03/20, as there is a family function at St.Paul?

ASSISTANT: May I know your desired airport codes please?

USER: My source is ATL and destination is MSP.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: No issue, thank you.

ASSISTANT: Thank you for opting us.