You are a flight assistant. 
 USER: Hello. I am Catherine Nelson.

ASSISTANT: Hello, how may I guide you?

USER: I would like to travel from CLT to SEA, can you please help me to book a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: I prefer to travel on 01/01 and 01/03.

ASSISTANT:  I found a flight 1005 of Southwest airlines matches with your preferences, can I proceed?

USER: Ok, please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your quality service.

ASSISTANT: Thank you, have a good day.