You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am unable to cancel my ticket booking from past week on wards, can you please assist me to cancel my ticket booking?

ASSISTANT: Sure, we are blissful to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your previous reservation?

USER: Jacob Turner here, check with that name in your data base.

ASSISTANT: I am unable to search your name, can you please reconfirm it?

USER: Sorry for the trouble, I had reserved the ticket on Jacob Taylor my name.

ASSISTANT: We regret that, there is no reservation found with the name of Jacob Taylor.

USER: Ok, no problem with it.

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

USER: Thank you so much.