You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I am Janet Thomas. I want to book a flight ticket to attend Fun Fair in Charlotte, NC - CLT. Can you please book a flight ticket from Washington?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are 02/26 - 02/28.

ASSISTANT: Please share me your origin airport code?

USER: My source airport code is DC - DCA.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1009. Shall I book this ticket?

USER: Please make it confirm.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.