customer: Hi. 
 agent: Hello. 
 customer: I am Samuel Green. 
 agent: How may I guide you today? 
 __ 
 agent: Sure, I will help you with that. 
 customer: Thank you. 
 agent: Can  you please share your journey dates? 
 customer: Sure, my travelling dates are 11/16 and 11/18. 
 agent: Wait for a minute. 
 customer: Sure. 
 agent: I am sorry to say that there is no flight found. 
 customer: It's ok, thanks for your information. 
 agent: Thank you for contacting us.
customer: I want to book a ticket from LGA to MSP, for attending a birthday party of my friend.