customer: Hi,. 
 agent: Hello, how may I abet you today? 
 customer: I am Eric Evans. I need to go for a emergency surgery in Denver, DEN. Could you help me in booking me a direct light? 
 agent: Sure, can I know your travelling dates? 
 customer: 06/15 - 06/17 are my travelling dates. 
 agent: May I know your source point? 
 customer: My source airport is Chicago, ORD. 
 agent: We found a flight of jetblue airline, flight number as 1015 with the fare of 200. Shall I book it? 
 customer: I need a direct flight. 
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 customer: Ok. Thank you. 
 agent: Than you for availing us.
agent: Ok, we could not find any direct flight.