You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Lee. I would like to cancel my booking but while cancelling, I need to enter OTP but the mobile which I mentioned while booking was expired two months back. What to do now? Could you please assist me?

ASSISTANT: Sure Lee, I will help you in cancelling, please hold on for a moment to check your reservation status.

USER: Sure.

ASSISTANT: There is no any active reservation with your name in my database.

USER: No issue, thank you.

ASSISTANT: It's my pleasure.