You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you aid me in booking a flight ticket on the dates of Dec 26 and return is on Dec 28?

ASSISTANT: Sure. May I know your good name?

USER: My good name is Kimberly Carter.

ASSISTANT: Could you please share your boarding and landing points?

USER: Sure, my boarding airport code is SFO and landing airport code is SEA.

ASSISTANT: Do you prefer economy class?

USER: No, my preference is business class.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no flight found in search.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.