You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: There is an emergency case which came to hearing on the dates which I have planned to enjoy in my holidays, so I am unable to travel the trip due to this one. Can you please help me in cancel my flight ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Can I have your name please to check your reservation status?

USER: My name is Richard Baker.

ASSISTANT: Ok, please wait a moment to check your reservation.

USER: Ok, take your own time.

ASSISTANT: Sorry Richard Baker, no reservation has found under your name to cancel.

USER: It's ok, not an issue with that. Thank you for spending your time in checking my ticket status.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are welcome.