You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: Ruth Edwards this side, I have booked a ticket previously, due to some emergency I need to do some modifications, can you help me?

ASSISTANT: Sure Edwards.

USER: Thank you.

ASSISTANT: Please wait, I will get back to you.

USER: Ok.

ASSISTANT: Sorry Ruth, there is no reservation found by your name in our database.

USER: Ok, no issues, thank you for your confirmation.

ASSISTANT: Thank you for reaching us.