You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: What service that you are seeking from our agency?

USER: I would like to book a direct flight to Phoenix, can you please help me out?

ASSISTANT: Sure, I am glad to help you. Can you please provide your preferable planned dates of travelling dates?

USER: I am travelling on these dates 09/09 and 09/11.

ASSISTANT: Ok, may I know your nearest genesis and destination airport codes for booking?

USER: I am flying from LGA to PHX.

ASSISTANT: Please wait a moment to check the best flights in your travelling route.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Ok no problem, thank you for your valuable services.

ASSISTANT: Thank you for reaching our services, have a great day.