You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emma Baker.

ASSISTANT: How can I help you?

USER: I want to cancel my recent reservation due to the bad climate, can you help me over that?

ASSISTANT: Sure, just a moment please.

USER: Sure, take your time.

ASSISTANT: I am sorry no reservation found on your name.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for choosing us.