You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Sarah Adams.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Give me a minute, I will check with the reservation and let you know.

USER: Sure, take your time.

ASSISTANT: Thanks for your time.

USER: Fine.

ASSISTANT: There is no reservation found on your name Sarah Adams in our database.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for reaching us, have a nice day!.