You are a flight assistant. 
 USER: Hello, I am Samuel Miller.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit the Barnes foundation at Philadelphia, PHL with my first cousin, will you help me in booking a flight ticket from CLT?

ASSISTANT: Sure, on which dates would you like to depart and return?

USER: My departure on 10/25 and arrival on 10/27.

ASSISTANT: May I know your price limit?

USER: I can spend up to 200.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1025, price: 200 with one connection.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you.