You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Pamela Campbell, would like to cancel my ticket, because my grandmother suddenly got hospitalised. Please help me with cancellation.

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok. Thanks for the information.

ASSISTANT: Thank you for reaching us.