You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from CLT to PHL. can you help me to book a ticket? My travel dates are 06/10 and 06/12.

ASSISTANT: Sure, may I know your name please?

USER: I am Mary Nelson.

ASSISTANT: I found a flight for you. Can I proceed?

USER: Sure, you can proceed?

ASSISTANT: Your ticket has been booked.

USER: Thanks for your valuable information.

ASSISTANT: You are welcome.