You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to book a ticket from CLT to IAD, can you help me?

ASSISTANT: Please provide your travel dates?

USER: My trip dates are 09/27 and 09/29. I want to book a ticket in the name of Debra Robinson.

ASSISTANT: According to your dates, there is a flight available with Southwest airlines, shall I proceed your booking?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with flight number 1023.

USER: Thank you for booking.

ASSISTANT: It's my pleasure.