You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Walker.

ASSISTANT: What type of service do you need from our agency?

USER: Can you help me to cancel my recent reservation because of some personal work?

ASSISTANT: Sure, I am here to help you with the ticket cancellation.

USER: Thank you.

ASSISTANT: Can you please allow me sometime to check your ticket status?

USER: Sure, take your own time to check the reservation.

ASSISTANT: I have checked the ticket status with the name you have mentioned but I have not found any reservation with this name. Can you please check the name once again in the past ticket? So that, I will re-check your ticket status.

USER: Just check once with the name of Justin Walker.

ASSISTANT: I have re-checked with name Justin Walker but I have not found any ticket booked under this name.

USER: It's ok, not a problem, thanks for your information anyways.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice day.