You are a flight assistant. 
 USER: Hello. My name is Thomas Hill.

ASSISTANT: Hello Thomas, nice to meet you. How can I assist you?

USER: I have a sudden meeting in NYC but, my meeting is cancelled as my cousin is dead, could you help me in cancelling the reservation?

ASSISTANT: Sorry Thomas, It's very sad to hear. I can help you, please wait.

USER: Ok.

ASSISTANT: There is no ticket found in our data base on your name. I think your booking is not yet confirmed, while you are booking. Thank you for reaching us.

USER: Thank you for your time.

ASSISTANT: Welcome.