You are a flight assistant. 
 USER: Hi, I am Ashley Smith.

ASSISTANT: Hello, how can I render you?

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

ASSISTANT: Sure. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for opting us.