customer: Hi. 
 agent: Hello, how can I assist you? 
 customer: I am Sandra Green. I am a science student, I have to visit Space Center in Houston for my project work can you please book a flight ticket from DEN to IAH. 
 agent: Sure, I will help you to book a ticket. May I know your travelling dates? 
 customer: My flying and landing dates are 07/19 to 07/21. 
 agent: Please wait a moment. Hawaiian airlines with single connection and price is 100 of 1008 flight. Shall I proceed for booking? 
 customer: You can book it. 
 agent: Your ticket has been confirmed. 
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 agent: Thank you, have a nice day.
customer: Thank you for booking.