customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Myself Paul Gonzalez. I am planning to meet my friend at Dallas, will you help me in booking the flight ticket from DCA to DFW? 
 agent: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket? 
 customer: My preferable journey dates are May 05 and May 07. 
 agent: How much you can afford for your ticket? 
 customer: As, my budget is low I can afford only up to 200. 
 agent: Do you prefer any economy class or business class? 
 customer: I am comfortable with any class. I need a flight with single connection. 
 agent: Ok, wait for some time I will check the availability of flights on your details and get back to you. 
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 agent: Thanks for waiting there are no flights found on your details. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thanks for approaching us.
customer: Ok, I will wait for your response.