You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Eric Lewis. I would like to book a flight ticket from CLT to SEA.

ASSISTANT: Sure Eric, could you please share me your travelling dates?

USER: Sure, I am planning to start my trip on 12/21 and fly back on 12/23.

ASSISTANT: Alright Eric, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Southwest airlines with flight number 1003 is available for you with 1 connection. Do you want me to proceed?

USER: Great! That actually fits with my requirements. Kindly proceed the booking process.

ASSISTANT: Ok, your ticket has been booked successfully Eric. Thank you for choosing us.

USER: Ok. Thank you for the great service.

ASSISTANT: You are welcome.