You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from CLT to CLT on a round trip. Can you help me in booking a ticket?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My preferred journey dates are 01/10 and 01/12.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: There is a connecting flight-1000 of UA airlines, shall I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your service.

ASSISTANT: May I know your name?

USER: My name is Lisa Roberts.

ASSISTANT: Thank you.