You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Thomas Harris. Due to sudden demise of my great grand father, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your details in our database and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Unfortunately, there is no active reservation on your name.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your kind information.