You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Taylor.

ASSISTANT: How can I assist you today?

USER: I have a plan to attend a live music concert in CLT, can you please find a flight from PHL?

ASSISTANT: Sure, please share your travel dates also.

USER: My trip dates are from 05/25 till 05/27.

ASSISTANT: sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.