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

ASSISTANT: Hello, how can I help you?

USER: Due to sudden demise of my Great grandfather, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your reservation.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Not an issue, thank you for your quick response.

ASSISTANT: Thank you for reaching us.