You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to change my recent reservation. Please help me in that.

ASSISTANT: I am happy to help you, please help me with your name to proceed further.

USER: Sarah Wright.

ASSISTANT: Sorry, there is no reservation found on your name to change it.

USER: Thank you for your information.

ASSISTANT: Thanks for approaching us.