customer: Hi. 
 agent: Hello. How can I assist you? 
 __ 
 agent: Sure, may I know your name? 
 customer: Sure, my name is Frank Perez. 
 agent: Please give me a moment to check your ticket status. 
 customer: Ok. 
 agent: Sorry Frank, no reservation is available by your name. 
 customer: That's ok, thank you. 
 agent: Thank you for contacting us.
customer: Due to bad weather conditions, I cannot attend my meeting. Can you help me to change my existing reservation?