customer: Hello. 
 agent: Hello. 
 customer: I am Susan Hill here. 
 agent: Susan, how may I render you? 
 customer: I would like to book a flight ticket from LGA to DEN. Can you please help me with booking? 
 agent: Sure, please share your itinerary dates. 
 customer: My respective travelling dates are from 10/27 to 10/29. 
 agent: Please wait for a while. 
 customer: Sure, I will wait. 
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 customer: Not a big problem, anyway, thank you for the information. 
 agent: Thank you for contacting us, have a good day. 
 customer: Thank you for searching.
agent: Sorry, no flight is available on your route.