You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need to cancel my reservation which I have done to open new branch in another location but suddenly it got cancelled now. So, please help me with cancelling my reservation.

ASSISTANT: Sure, I will help you on that. Will you please provide your name for checking your reservation?

USER: Sure, please check my reservation with name Dorothy Taylor.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. There is no reservation is found under your name.

USER: Oh! May be booking is not done properly. Thank you for your time.

ASSISTANT: Welcome, have a great day.