You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Robert Mitchell. I am planning to travel from CLT to LAS.

ASSISTANT: Sure Robert, can I know the travel dates please?

USER: My travelling dates are 01/02 to 01/04.

ASSISTANT: There is a flight in Southwest airline with price 200, can I book it?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for approaching us.