You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to visit Fort Worth water garden in DFW from PHX, so I want to book a ticket.

ASSISTANT: Sure, let me know the travelling dates?

USER: My travel dates are 12/12 to 12/14.

ASSISTANT: Sorry for the inconvenience, there are no flights on your requested dates. May I know your name please?

USER: Stephanie Wilson here. Thanks for your help.

ASSISTANT: Thank you for choosing us.