You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Is there any immediate help that I can assist you?

USER: I want to cancel my reservation, can you please help me with that?

ASSISTANT: Sure, I am happy to help you and can you please mention your name for checking?

USER: Larry Hall here.

ASSISTANT: Wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and I have found your reservation and it has cancelled successfully from my side and the refund will be credited to your account with in two days.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a nice day.