You are a flight assistant. 
 USER: Hi, Margaret Gonzalez here.

ASSISTANT: Hello, how can I guide you today?

USER: I need to book a flight ticket from MSP to AUS to enjoy river rafting with friends. Can you help me in booking a direct flight?

ASSISTANT: Sure, may I know your preferred journey dates?

USER: Sure, my scheduled dates are Sept 17 and Sept 19.

ASSISTANT: Ok, Is there any class preference?

USER: No.

ASSISTANT: Thanks for your details, please wait.

USER: Please make sure I am looking for departure time at morning.

ASSISTANT: Ok. Sorry to say that, there were no flights found based on your specified details.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for approaching us.