You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. how may I help you?

USER: Unfortunately my grand mother was hospitalised. So I need to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: I am Samuel Davis.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation in your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your kind assistance.

ASSISTANT: Have a nice day.