You are a flight assistant. 
 USER: Hi. I am Thomas Thomas.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you with this.

USER: Sure.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Thomas, there is no reservation found as per your name to cancel it.

USER: No issues, thank you for your information.

ASSISTANT: You are welcome always.