You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a ticket from CLT to LAS, can you please help me with that?

ASSISTANT: Sure, can I know your travelling dates?

USER: The travel dates are from 12/02 to 12/04.

ASSISTANT: Do you need a single connecting flight?

USER: I need a flight with 1 connection limit.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Mary Wilson here.

ASSISTANT: There is a flight of Delta airline, flight number 1020 with the fare of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.