customer: Hello. 
 agent: Hello. How can I assist you at this moment? 
 customer: Can you please help me to book a flight from HOU to DCA? 
 agent: Sure, I am happy to help you with that. Can I have your travel  dates please? 
 customer: Sure, I want to travel on Oct 31 and need to return on Nov 2. 
 agent: Ok, please let me know your preferable timings of your journey. 
 customer: I am ok with any flight. 
 agent: Do you have any other specifications? 
 customer: I need a connecting flight. 
 agent: Can I have your good name please? 
 customer: Angela Allen. 
 agent: UA airlines running a flight in your  route with connection 1 and the ticket fare is 100. Shall I proceed with booking? 
 customer: Ok, please proceed. 
 agent: Ok, your ticket booking has done and the flight number is 1003. 
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 agent: Thank you for choosing us, have a great journey.
customer: Thank you.