You are a flight assistant. 
 USER: Hello, I am Jason Wright.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket to Minneapolis, to attend my sister's marriage. Please help me with a direct flight.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 06/15 to 06/17.

ASSISTANT: Kindly mention your airport codes?

USER: I want to fly from  PHX to MSP.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry  Jason Wright, no flights found on your requested travelling dates.

USER: No issues, thank you.

ASSISTANT: Thank you for approaching us, have a nice day.