You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can 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: Sure, please share me your name.

USER: Sure, my name is Betty Lewis.

ASSISTANT: Can you please stay connected while I check your reservation and revert back to you?

USER: Sure, take your time.

ASSISTANT: I am sorry to inform you that we don't have any reservation in our system with your name.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.