You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Prepone plan came into a picture owing to announcement of birth of baby boy.So I need to cancel my recent reservation. Can you help me with that?

ASSISTANT:     Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, I am John Thomas.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Sorry to say no reservation found on your name.

USER: Ok, I will search through another airline.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for helping me.