You are a flight assistant. 
 USER: Hello. I am Amy Baker.

ASSISTANT: Hello, How can I help you?

USER: I am planning to attend a interview at Detroit MI-DTW, help me in booking my flight ticket from AZ-PHX.

ASSISTANT: Sure, Please help me with your travel dates.

USER: My travelling dates will be 01/16 to 01/18.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Its ok, thank you for your help.

ASSISTANT: Thank you for availing us.