You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my recent reservation as my sister blessed with a baby boy before the expected delivery date. So can you please help me in cancellation?

ASSISTANT: Sure, may I know your name to check the reservation in our data base?

USER: My name is Melissa Walker.

ASSISTANT: Please hold for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no worries.

ASSISTANT: Thank you for contacting us.

USER: Thanks for your information.