You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I support you today?

USER: Carol Jackson here.

ASSISTANT: Ok.

USER: Do you have any flight from PHX to attend a business meeting in EWR?

ASSISTANT: Sure, I am here to help you. May I know you travelling dates?

USER: My travel dates are 12/25 and 12/27.

ASSISTANT: Please mention your price limit.

USER: price limit is 500.

ASSISTANT: Sorry  Carol Jackson, No flights found on your requested travelling dates.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for approaching us, have a great day.