You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a ticket to a direct flight to attend a urgent surgery case in Austin, help me in booking my flight ticket from MN-MSP.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Jessica Lopez.

ASSISTANT: Where would you like to land on?

USER: I want to land on TX-AUS.

ASSISTANT: Can I know your travelling dates?

USER: 01/28 to 01/30 are my travelling dates.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.