You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Cynthia Martin here. I want to cancel my recent reservation, due to the inconvenience of travel dates. Can you please help me out?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates? Please wait for a minute.

USER: Sure, I will wait for your information.

ASSISTANT: I am sorry to say that there is no reservation found under your details.

USER: Not a big problem, it might be cancelled by my father but he did not informed me yet.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Anyway, thank you for the information.