You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: Prepone plan came into a picture owing to announcement of birth of baby boy. So I need to cancel my recent reservation, can you please help me in that?

ASSISTANT: Sure, may I know your name please?

USER: My name is Rebecca Adams.

ASSISTANT: Please wait a moment, let me check and back to you.

USER: Sure.

ASSISTANT: There is no reservation found on your provided name.

USER: That's not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your kind information.