You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you for the day?

USER: I need to cancel my reservation as I am unable to catch that fight on reserved dates so, can you please help me with that?

ASSISTANT: Sure, I will be helping you with that.

USER: Thank you.

ASSISTANT: Please provide your name for checking your ticket status.

USER: Please check the reservation under name of Nancy Davis.

ASSISTANT: Nancy Davis, no reservation was found under this name.

USER: Oh! May be it is not booked properly.

ASSISTANT: Sorry for the inconvenience, can I help you with anything else?

USER: No, nothing, anyway thank you for your valuable time.

ASSISTANT: Thank you for reaching our agency.

USER: Welcome.

ASSISTANT: Have a nice day.