You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Shirley Thomas, can you help me booking flight from ORD to PHX?

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are 01/09 and 01/11. Provide flight with connection 0.

ASSISTANT: There is no flight on your desired travel dates.

USER: Oh! It's ok, no problem thank you for your services.

ASSISTANT: Thank you for opting us.