You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER:  Owing to an emergency, my meeting with client got cancelled, so I want you to cancel my recent reservation.

ASSISTANT: Sure, can I have your name to proceed further?

USER: Sure, Jason Thomas here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no reservation found with provided name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.