You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Pamela Carter here. I would like to change my reservation as my friend had a fight with his wife and they want to take divorce, can you help me with changing reservation?

ASSISTANT: Please wait a while.

USER: Sure, I will be waiting for your response.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Oh! That's very sad to hear from your side. Anyways, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are most welcome.