You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: My name is Deborah Mitchell.

ASSISTANT: Ok Mitchell, what can I do for you?

USER: I need your help in booking a flight ticket from PHX to EWR.

ASSISTANT: Ok, I will help you. Can you please provide me your trip dates?

USER: My travelling dates are from 02/17 to 02/19. Make sure I need one connection and fare of ticket is 500.

ASSISTANT: Sorry to inform you Mitchell, there are no flights found with the dates you given.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.

ASSISTANT: Have a nice day.