You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: How may I assist you?

USER: Can you help me for cancelling my recent reservation?

ASSISTANT: Sure, please give me a moment to check your details.

USER: Sure, I will wait for your reply.

ASSISTANT: Sorry, no reservation found on your name.

USER: Oh! It's ok, no problem.

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

USER: Thank you for your services.