You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket?

ASSISTANT: Sure, Can you please provide your details?

USER: OK. Iam Stephanie Carter, I want to travel from Pheonix , AZ-PHX to New York , NY-JFK with dates sep-9 to sep-11.

ASSISTANT: One moment, Please.

USER: OK.

ASSISTANT: Thanks for being online, We cannot provide flights for specified dates.

USER: OK thank you.