You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to change my recent reservation. Can you help me out?

ASSISTANT: Sure, I am here to help you. Please share your name to proceed.

USER: I am Ronald Rodriguez.

ASSISTANT: Please wait for a moment to check your details.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, no reservation found on your name in my database.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.