You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Richard Thomas.

ASSISTANT: Good morning Richard. Is there any help that you are hoping from this ABC flight booking agency?

USER: I was fallen sick due to bad weather in my area, so I would like to cancel my recent reservation. Could you please help me with cancelling my recent reservation?

ASSISTANT: That's sad to hear Richard. I will help you with cancelling the reservation. Please wait a minute, I will check an existing reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Richard, there is no reservation has found under your name to cancel it.

USER: That's ok. Thank you for the information.

ASSISTANT: Most welcome. Hope you will recover very soon. Have a good day.

USER: Thank you.