You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Eric Perez.

ASSISTANT: How may I abet you?

USER: The planned trip got cancelled, so can you please help me in flight ticket cancellation process?

ASSISTANT: Ok, please give me a moment to check your reservation.

USER: Thank you and I can wait for your response.

ASSISTANT: Sorry Eric, there is no reservation found under your name in our datebase.

USER: Not an issue with that one. I think it is not booked while I was booking. Thank you for your quick response.

ASSISTANT: Most welcome.

USER: Welcome.