customer: Hello, I am Helen Allen. 
 agent: Hello, how may I aid you today? 
 customer: I need to book a flight ticket from IAD to DEN, Can you please help me for booking? 
 agent: Sure, we are happy to help you for booking. May I know your budget? 
 customer: I can pay up to 1000. 
 agent: Ok, please share your journey dates. 
 customer: I would like to travel on 01/27 to 01/29. 
 agent: Ok, please wait for a while. 
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 agent: Thanks for your time, we found a direct flight in Hawaiian airline. Are you comfortable with this? 
 customer: No, don't proceed for booking. 
 agent: Ok. 
 customer: Thanks for your information. 
 agent: Thank you for availing us.
customer: Sure.