You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Owing to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: On whose name you have book your flight ticket?

USER: I reserved the ticket on the name of Rebecca Garcia.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: We regret to inform you that, there is no reservation found on your name which you have provided in our records.

USER: No problem, thanks for your information.

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