You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: As I'm feeling sick, I want to quit my trip. Can you please cancel my recent reservation?

ASSISTANT: Ok, may I know your name to check your reservation status?

USER: Sure, my name is Karen Walker.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I'll be online.

ASSISTANT: Thanks for your patience, there is no reservation found on your name.

USER: Oh! May be I did a wrong booking. Thank you anyways.

ASSISTANT: Thanks for choosing us, have a nice day.