You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: Christine Johnson here.

ASSISTANT: Ok.

USER: I have to cancel my reservation because my wife is pregnant and I have to take care of her. Can you help me?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Thanks.

ASSISTANT: Sorry Johnson, there is no reservation found on your name.

USER: Oh! That's fine, thank you for checking.

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

USER: Most welcome.