You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Eric Smith here.].

ASSISTANT: Eric, how may I render you?

USER: Please help me out in canceling the recent reserved ticket.

ASSISTANT: Sure, please give me a moment to check your ticket status. Sorry, no reservation is available by your name.

USER: Its ok, no problem.

ASSISTANT: Thank you for choosing us.