You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you book a direct flight to MSP from PHX?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travel dates are 07/20 and 07/22.

ASSISTANT: May I know your good name to proceed further?

USER: Myself Edward Lopez.

ASSISTANT: Give me a moment please, let me check the flights availability on this route.

USER: Ok.

ASSISTANT: Edward Lopez, there is no flight available on this route due to heavy bookings.

USER: No problem, I will try in another airlines.

ASSISTANT: Thank you for utilising our service.

USER: Thank you for checking.