You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know what kind of service you are expecting from us?

USER: I want to fly from SEA to PHX. Can you check the flight availability on that route?

ASSISTANT: Sure, we are here to help you. May I know your trip dates?

USER: My planned travel dates are 09/09 and 09/11.

ASSISTANT: Do you need any break in your journey?

USER: I want a direct flight only.

ASSISTANT: May I know your depart and arrival time?

USER: No issues with any specifications, go with the booking.

ASSISTANT: May I know your name please?

USER: Sure, Larry Lopez here.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.