You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I need to amend my reservation due to some issues, can you help me out?

ASSISTANT: Sure, I will help you in changing your reservation.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your previous reservation status?

USER: Myself Ruth Green.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name in the database.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.