You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Matthew Wright. Can you help me in changing my recent reservation?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: No reservation found on your name in my database.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us.