You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you at this moment?

USER: I want to book a direct flight ticket from PHL to PHX, can you help me?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travel dates are 04/08 and 04/10.

ASSISTANT: Thank you for your information. May I know your name?

USER: Myself Pamela Garcia.

ASSISTANT: Sorry, no flight is available on that dates.

USER: No problem, thanks for checking.

ASSISTANT: Welcome.