You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Stephanie Scott, I would like to change my recent reservation because of some personal work, can you help me with this?

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: We are sorry to say that there is no reservation found with your provided name in our data.

USER: That's fine, thanks for your information anyways.

ASSISTANT: Thank you for choosing us.