You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in changing my recent reservation?

ASSISTANT: Sure, can you share me your name to check the reservation?

USER: Myself Virginia Robinson.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, thanks for checking.

ASSISTANT: Thank you for opting us.