You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I am Betty Clark, can you please help me in modification of my reservation as my destination point got changed?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for your positive response.

ASSISTANT: Please give me a minute to check the ticket status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform you that, there is no active reservation with your name to change the details.

USER: Not a problem, anyways thank you for checking my reservation status with my name.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: You are welcome.