You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Patricia Collins. I planned to meet my cousin in DCA, can you please help me to book a flight ticket from CLT?

ASSISTANT: Sure, can I know your preferable dates?

USER: I prefer to travel on 07/31 and 08/02.

ASSISTANT: I found a flight 1011 of UA airlines matches with your preferences, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you.