You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Deborah Lewis. I want to travel from CLT to IAD.

ASSISTANT: Sure, please tell me your travel dates.

USER: My preferable dates are from 09/28 to 09/30.

ASSISTANT: Spirit airline is available with 1 connection. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you, have a good day.

ASSISTANT: Most welcome.