You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to visit Discovery Place in Charlotte, can you please book the flight ticket from PHL to CLT?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to depart on 11/02 and return on 11/04.

ASSISTANT: May I know your name?

USER: My name is Kevin Edwards.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for opting us.