You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Owing to an emergency I need to cancel my recent reservation, can you please check the reservation by this name Anthony Lee?

ASSISTANT: Sure, give me sometime to check and get back to you.

USER: Sure.

ASSISTANT: Thank you for being wait. Unfortunately we found no reservation with your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.