customer: Hi. I am Michael Nelson. 
 agent: Hello. How may I help you today? 
 customer: Due to some health issues doctor suggested me to take bed rest for few days, can you please help me in my flight ticket modification? 
 __ 
 customer: Thank you for considering my request. Sure, I can wait. 
 agent: Sorry to say that, there are no flight's available based on your name. 
 customer: Ok, no issues with that one. I can reserve another another flight ticket for my journey. Thank you for your help. 
 agent: Thank you for reaching us. 
 customer: Welcome.
agent: Sure, I am here to help you with that. Please wait for a minute.