You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Melissa Martinez, I want to book a flight ticket to CLT from MSP in the month of May.

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Thank you. Sure, my travelling dates are 05/06 and 05/08.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Not an issue.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.