You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please aid me to cancel the ticket? Because I have cancelled my trip due to some financial issues in the family.

ASSISTANT:  Yes, I will definitely try my best to help you in cancelling your reservation. Please share me your good name to check your reservation status.

USER: Sure, I have reserved my previous  ticket with the name Lisa Lewis. So, please check the ticket status with this name.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your reply.

ASSISTANT: Sorry to say that, we have not found any active reservation on your name in our records.

USER: Oh! It is sad to hear from your travel agency. Anyways thank you for checking the ticket status and providing the information.

ASSISTANT: Thank you for reaching us.