You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Pamela Miller want to change my reservation due to heavy rainfall. Can you help me in changing?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation on your name.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you.