You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Patricia Young here. Please book a flight ticket from CLT to PHX.

ASSISTANT: Sure, can you share your travel dates please? Ok.

USER: My trip dates are 09/26 and 09/28.

ASSISTANT: Please wait for a moment.

USER: Take your time.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Ok. Thank you.

USER: Thank you for your support.