You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Could you please be my helping hand in changing my existing reservation?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name. Can you please share your name for documentation purpose?

USER: Thank you for checking my reservation under the name of Rachel Anderson.

ASSISTANT: Your welcome.

USER: Thank you for your information.