You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to cancel my recent ticket?

ASSISTANT: Sure, Let me know your name to check your reservation?

USER: Thank you. My name is Samuel Harris.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Oh! It is sad to hear from your end. Anyhow thanks a lot for checking the ticket status.

ASSISTANT: Thank you for choosing us.