You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: Myself Mary Williams.

ASSISTANT: Ok.

USER: I would like to visit Charlotte, please help me in booking a ticket.

ASSISTANT: Ok, may I know your travel dates?

USER: My travel dates are from 12/06 to 12/08.

ASSISTANT: Can you please let me know your travel codes?

USER: My source airport code is OAK and destination airport code is CLT.

ASSISTANT: I found a flight ticket with price 100 and connection limit is 1.

USER: Ok, please book my ticket.

ASSISTANT: Ok, your ticket has been booked with 1018 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you.