You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Donna Anderson.

ASSISTANT: Donna, how may I aid you?

USER: I want to book a ticket from ORD to CLT.

ASSISTANT: Ok, may I know your journey dates please?

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

ASSISTANT: Donna, please give me a moment.

USER: Ok.

ASSISTANT: There is a flight available at your request with UA airline of 1011. Can I proceed?

USER: You can book my ticket.

ASSISTANT: Donna, your ticket has successfully booked.

USER: Thank you for your help.

ASSISTANT: Welcome. Than you for contacting us, have a safe journey.