You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Matthew Lewis.

ASSISTANT: How can I serve you today?

USER: Due to some emergency work at my home town, I need to cancel my recent reservation that I made earlier to attend a meeting. Can you please cancel that?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: I am euphoric to help you. Please, wait.

USER: Sure, I will wait for your response.

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

USER: It's ok, Thank you for the information.

ASSISTANT: Thank you for opting us.