You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Matthew Lewis.

ASSISTANT: How may I help you?

USER: For some issues I want to cancel my reservation. Can you please help me?

ASSISTANT: Sure, Wait for a minute. There is no reservation found under your name, Lewis.

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

ASSISTANT: Our pleasure, thank you for choosing us.