You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Martinez.

ASSISTANT: How may I render you today?

USER: As I am a scientist, I have planned to visit the ancient 1940 air terminal museum due to some security problem museum has been closed.So I would you like to cancel my recent reservation. Would it be possible to cancel my recent reservation?

ASSISTANT: Sure, please wait for a moment, while I search the reservation list?

USER: Ok, I will be waiting.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, no worries at all. Thank you for your kind information.

ASSISTANT: Thank you so much for choosing us.