You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Emma Wilson here. As my sister is blessed with a son, I want to book a ticket from CLT to JFK for cradle ceremony function.

ASSISTANT: Ok. Do you have any preferable dates?

USER: My travelling dates are from 12/11 to 12/13. If there is 1 connection limit, please proceed.

ASSISTANT: I have found a flight from Delta airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Welcome.