You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Charlotte to meet my best friend, can you help me to book a flight ticket from SEA to CLT?

ASSISTANT: Definitely, I will help you out. Do you prefer a connected flight or a direct flight?

USER: I need a single connection flight.

ASSISTANT: Ok, help me with your planned dates.

USER: My depart is on 02 Mar and return on 04 Mar.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: Ok, please specify your name.

USER: I am Lisa Jackson.

ASSISTANT: We found a direct flight with a fare of 100 in 1027 Southwest Airlines, can I proceed further?

USER: That's fine, proceed to booking.

ASSISTANT: Ok, your ticket has been reserved successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.