You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Campbell.

ASSISTANT: How can I assist you at this moment?

USER: I want to cancel my recent reservation, due to sudden demise of my grand father. Can you please help me with this?

ASSISTANT: Sure, I will help you in cancelling your reservation. Please give me a moment to check your reservation status.

USER: Sure.

ASSISTANT: Rebecca Campbell, there is no active reservation found under your name in our database.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for utilising our service.