You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may guide you today?

USER: Myself Jason Thomas, can you please guide me to change my reservation as my destination location got changed to JFK?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for considering my request.

ASSISTANT: Please wait a moment to check your previous reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: We regret to inform you that there is no previous reservation available on your name in our records.

USER: Not a big issue with that, anyways thank you for the information.

ASSISTANT: Thank you for reaching us, hope you have a great day.