You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to heavy snow I not able to move from my location, can you help me cancelling the flight ticket?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Could you please provide the name on which the reservation has done to check your details and proceed further?

USER: Sure, the ticket has been booked previously on Charles Gonzalez.

ASSISTANT: Noted, please wait a moment meanwhile I will check your reservation details and get back to you.

USER: Ok, take your own time.

ASSISTANT: Sorry Charles, I regret to say that there is no reservation found under your name.

USER: That's ok, no probelm. I will check with my emails again about  my reservation details.

ASSISTANT: Ok, thank you for approaching us. Have a pleasant day.

USER: My pleasure, thank you checking for my reservation details.