You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Actually, I need to amend my reservation, can you please help me?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Jessica Campbell here.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.