customer: Hello. 
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 customer: Sarah Martin here. Due to sudden health issue, I would like to cancel my reservation. Can you please help me out with that? 
 agent: Sure Martin, I am here to help you. 
 customer: Thank you. 
 agent: Please wait for a while. 
 customer: Ok, take your time. 
 agent: Sorry, no reservation found on your name in our reservation database. 
 customer: Oh! I think the ticket was not booked due to server issue. 
 agent: Thank you for choosing us, have a nice day. 
 customer: Anyway, thank you for the information.
agent: Hello, how can I serve you?