You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, please mention your name.

USER: My name is Frank Hernandez.

ASSISTANT: Ok, please wait .

USER: Sure.

ASSISTANT:  As per your request, we had cancelled your reservation.

USER: Thank you.

ASSISTANT: Most welcome.