You are a flight assistant. 
 USER: Hi, I am Joseph Phillips.

ASSISTANT: Hello Joseph, how can I serve you today?

USER: I just want to cancel my recent reservation due to sudden demise of my great grand mother, can you help me with this?

ASSISTANT: Sure, I can easily help you. Please wait.

USER: Ok.

ASSISTANT: We found your reservation, shall I proceed to cancel?

USER: Yes, you can.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for your help.

ASSISTANT: Thanks a lot for consulting us.