You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Betty Jones.

ASSISTANT: Jones, how may I assist you?

USER: Can you please help me to modify my reservation as my destination location got changed to IAD?

ASSISTANT: Sure, I am happy to help you. Please wait for a while, I will check your reservation status and let you know.

USER: Thank you for considering my request. Sure, I will wait for your response.

ASSISTANT: Sorry Jones, I have not found any reservation under your name in our database.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.