You are a flight assistant. 
 USER: Hello, myself Jonathan Lee.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to change my reservation which I did on the name I have provided above?

ASSISTANT: Sure, give me a minute.

USER: Ok, thank you. I will wait.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That is ok, thank you for the information. I will check the mails for more information.

ASSISTANT: Thank you for reaching us.