customer: Hello I am Amy Smith. 
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 customer: I want to book a ticket from CA - OAK to MN - MSP to attend private service. 
 agent: Ok, can you specify your journey details? 
 customer: My arrival date is on 04/20 and depart date is on 04/18. 
 agent: Ok, please wait for a moment. 
 customer: Sure. 
 agent: Is there any requirements? 
 customer: Sure, I need a connecting flight between my journey with the fare of 1000. 
 agent: Sorry to inform you that, there is no flight found on your dates. 
 customer: Ok, no problem. 
 agent: Have a Great day. 
 customer: Thank you for assisting me.
agent: Hello, how can I help you?