You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: I am Brenda Williams, can you help me to book a direct flight from CLT?

ASSISTANT: Sure, could you please share your destination location airport code?

USER: My preferred destination airport code is ORD.

ASSISTANT: Ok, may I know your departure and arrival day?

USER: My travelling dates are 12/29 and 12/31.

ASSISTANT: The economy class with flight number 1021 of Hawaiian airline is available having, is it ok for you?

USER: I am looking for normal cost airlines.

ASSISTANT: The above airline is satisfy your request.

USER: Then proceed with booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.