You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Deborah Lewis. Can you book my ticket from PHX to LAX?

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

USER: My travelling dates are from 09/28 to 09/30. Please make sure this, I want direct flight from PHX to LAX.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry no flights available direct.

USER: It's ok.

ASSISTANT: Thank you for contacting us.

USER: Thank you for the information.