You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Joshua  Wilson here. Owing to an emergency, I want to cancel my recent reservation. Can you please help me with cancellation?

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait.

ASSISTANT: As per the name you have given there is no reservation found on that.

USER: Not a big problem, anyway, thank you for the information.

ASSISTANT: It's my pleasure, have a good day.