You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Andrew Carter here. I want to cancel my booking, can you help me please?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, take your time to check.

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

USER: Ok, that's fine. Than you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are most welcome.