You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of help you are looking from our side?

USER: Due to heavy snowfall at my destination location, I need to change my existing reservation, can you please help me with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please provide your good name to check the reservation status in the reservation list.

USER: My name is Debra Clark.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that we did not find any reservation with your name.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us.