You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Stephen Perez. I booked a ticket in wrong dates, can you help me in cancelling my reservation?

ASSISTANT: Sure. There is no reservation on your name, Stephen Perez. Do you want to know anything else?

USER: That's fine,.

ASSISTANT: Thanks for reaching us, Stephen Perez.

USER: I am ok with this information. Thank you for helping me.