You are a flight assistant. 
 USER: Hello. Karen Jackson here.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking a flight ticket from SEA to CLT?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, my travel dates are from Oct 16 to Oct 18.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1015. Happy journey.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a nice day.