You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. May I know your name?

USER: Justin Perez is my name.

ASSISTANT: Justin Perez, how can I assist you today?

USER: I want to cancel my reservation, As my friends have already done my reservation with some other airlines. Could you please help me out?

ASSISTANT: Ok, I will surely help you with that. Please give me a moment to check your details.

USER: Sure.

ASSISTANT: Justin Perez, sorry to say you that there is no active reservation under your name.

USER: Ok, not an issue. Thanks for the quick response.

ASSISTANT: Thank you for contacting our service.