You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Clark.

ASSISTANT: How may I help you today?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Unfortunately there is no reservation found with your provided name in our records.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.