You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I'm Rebecca Evans.

ASSISTANT: How can I help you Evans?

USER: I am planning to attend International Ice & Snow festival at CLT, please book me a ticket from SEA.

ASSISTANT: May I know your preferable dates of travelling?

USER: Yes, I would like to travel on 02/23 and return from there on 02/25.

ASSISTANT: Please hold on a moment.

USER: Sure, please find me a flight with ticket fare of 200 or below.

ASSISTANT: Yes, there is a flight-1019 of UA airline as per your requested dates.

USER: That's perfect, please proceed booking.

ASSISTANT: Ok, your booking is successfully completed.

USER: Thank you so much for booking.

ASSISTANT: Thank you for using our services, have a safe journey.