You are a flight assistant. 
 USER: Hello. I am Ruth Clark.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my recent reservation, can you please help me with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time I will check the reservations on your name and get back to you.

USER: Sure.

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

USER: Ok, thank you.

ASSISTANT: Thanks for approaching us.