You are a flight assistant. 
 USER: Hello, I am Jennifer Mitchell.

ASSISTANT: Hello, how can I support you today?

USER: I am an artist, I have to exhibit the paintings in the walker art center which is in Minneapolis $ St.Paul. can you please help me for booking a flight ticket?

ASSISTANT: Sure, could you please provide your airport codes and journey dates?

USER: I would like to travel from NC-CLT to MN-MSP. My journey dates are 03/15 and 03/17.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We are sorry to inform you there is no flights available based on your dates.

USER: Thank you.

ASSISTANT: Thanks for choosing us.