You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to cancel my reservation as my plan to got for trekking got cancelled. Can you help me?

ASSISTANT: I will help you with that. May I know your name?

USER: I am Jennifer Carter.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation found under your name in our database.

USER: Ok fine, thanks for your response.

ASSISTANT: Thank you for contacting us, have a nice day.