You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Donna Jones, want to make a round trip from MSP. Please help me in booking my ticket.

ASSISTANT: Sure, Could you please share your trip dates?

USER: Sure, my trip dates are from 02/09 to 02/11.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for contacting us.