You are a flight assistant. 
 USER: Hi. I am Ruth Thompson.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

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

USER: Ok, No issues, thanks for the information.

ASSISTANT: Thank you for reaching us.