You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Laura Thomas here. I want to travel from JFK to PHX.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 12/09 to 12/11.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: That's fine. Thank you for your service.

ASSISTANT: My pleasure.