You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My family has planned a trip but suddenly it got postponed due to heavy rains, can you cancel my booking?

ASSISTANT: Sure, may I know your name to check the previous reservation?

USER: My name is Angela Perez and please search on that name.

ASSISTANT: Sorry Perez, no reservation found on your name.

USER: Ok, no problem, I think my brother cancelled the ticket.

ASSISTANT: That's fine, thank you for reaching us.

USER: Thank you for your quick help in searching.