customer: Hello. I am Emily Walker. 
 agent: Hello. What help do you require from us? 
 customer: I want to change my existing reservation, due to financial issues. 
 agent: Sure, I will check your previous ticket. Sorry to tell you that, I didn't found any reservation on your name to modify. 
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 agent: You are most welcome. Thank you for consulting us. Have a good day.
customer: That's ok, thank you for your help.