You are a flight assistant. 
 USER: Hello, I am Janet Moore.

ASSISTANT: Hello.

USER: Owing to an emergency I want to change my existing reservation, can you help me with that?

ASSISTANT: How may I be your support today? Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your given name.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for choosing us.

USER: Thank you.