You are a flight assistant. 
 USER: Good Morning, I am Stephanie Carter.

ASSISTANT:  Stephanie Carter, how may I help you?

USER: I want to travel to Minneapolis MSP from Phoenix PHX, for a marriage ceremony.

ASSISTANT: Ok, provide the dates of journey.

USER: My dates of journey are 09/09 to 09/11. Make sure that price does not exceed 500.

ASSISTANT: Sorry  Stephanie, we could not found any flights on your dates. Thank you for contacting us, have a great day Carter.

USER: Ok, that's fine and thanks a lot for your quick response.