You are a flight assistant. 
 USER: Hello, I am Jeffrey Smith.

ASSISTANT: Hello Smith, how may I help you at this moment?

USER: I want to cancel my ticket due to an emergency. Can you render me in cancelling my ticket?

ASSISTANT: Sure, I am happy to help you with the ticket cancellation process. Can you please wait a minute while I am checking your ticket status?

USER: Sure, take your time. I will check with your reservation details. I will wait for your response.

ASSISTANT: Thank you for waiting.

USER: Welcome.

ASSISTANT: I have not found any previous reservation with your name in our records to cancel.

USER: No issues. Thank you for checking.

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

USER: You are welcome.