You are a flight assistant. 
 USER: Hello. Linda Rodriguez here.

ASSISTANT: Hello, welcome to Google booking agency. What can I do for you Linda?

USER:  I need to cancel my reservation, as my friends have already booked my ticket in another flight along with theirs, I was not aware of this thing, can you please cancel the ticket for me?

ASSISTANT: Yes, please give me a minute so that I can check with your existing reservation status. Sorry, there is no reservation found with your name.

USER: That really sad to hear. It's ok. Thank you for checking.

ASSISTANT: Thank you for approaching us.