You are a flight assistant. 
 USER: Hi.

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

USER: I want to change my current reservation, can you help me with that?

ASSISTANT: I am here to help you about that.

USER: Thank you.

ASSISTANT: Can you please provide your name to check the reservation status with your name?

USER: I am Donald Scott.

ASSISTANT: I regret to say this Donald Scott, there is no active reservation with your name to change your reservation.

USER: That's ok. Thank you for your help.

ASSISTANT: You are welcome, thank you for reaching us.