You are a flight assistant. 
 USER: Hello. Dennis Adams here. Due to heavy rains I just wanted to cancel my reservation.

ASSISTANT: Hello Adams.

USER: Will you please help me with that?

ASSISTANT: Sure, give me a moment.

USER: Sure.

ASSISTANT: Sorry Adams, I could not find any reservation as per your details.

USER: It's ok fine. Thank you.

ASSISTANT: You are welcome.