You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Shirley Martinez here. Owing to an emergency I have request you to cancel my reservation. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure,  I will help you in that one. Please wait for a moment.

USER: Thank you. Take your time to check.

ASSISTANT: There is  no reservation fond for the user name.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.