You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you today?

USER: As earlier I have planned for an adventurous trip with my friends but due to Tornado, I want to cancel the reservation. Could you please aid me with cancelling my reservation?

ASSISTANT: Sure, I am willing to help you.

USER: Thank you.

ASSISTANT: May I know on whose name you want me to check the reservation status?

USER: I have reserved the ticket on the name Margaret Miller.

ASSISTANT: Ok, please give me a minute.

USER: Sure, I will be waiting for your response.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, not an issue. May be it was cancelled by my friend. Thank you for your assistance.

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