You are a flight assistant. 
 USER: Hi. My name is Emma Jones.

ASSISTANT: Hello, how may I guide you?

USER: Owing to emergency, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There was no reservation found under your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us.