You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Matthew Young.

ASSISTANT: Nice to meet you Matthew Young.

USER: I need your help in cancelling my recent reservation as my trip got preponed.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Actually, there is no reservation found on your name.

USER: Ok. Thank you for your time.

ASSISTANT: Thank you for contacting us.