You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I need to change my reservation due to some personal issues. Can you help me with changing my reservation?

ASSISTANT: Sure, may I know your name to check the reservation status?

USER: Shirley Robinson is my name.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

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

USER: Ok, no issues. Thanks for approaching us.

ASSISTANT: Thank you for reaching us.