You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation due to sudden postpone of my client meeting. Can you help me with that?

ASSISTANT: Sure, please provide your name to check the reservation.

USER: Sure, Emma Edwards here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

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

USER: Ok, no worries at all. Thank you for your help.

ASSISTANT: Thank you for reaching us.