customer: Hello. 
 agent: Hello. How can I aid you at this moment? 
 customer: I am Catherine Allen, want to travel from IAH to SEA. Please help me. 
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 customer: Thank you, my travelling dates are from 07/23 to 07/25. 
 agent: Just give me a moment, I will check flight availability in this route as per your requested dates. 
 customer: Ok, take your time. 
 agent: Based on your information, I have found a flight with 0 connection with the fare of 100 provided by AA airlines. Shall I confirm this flight ticket for you? 
 customer: Please can you check for single connection? 
 agent: Sure. Sorry no connecting flights are available in this route as per your requested dates. 
 customer: That's fine, thank you. 
 agent: Thank you for contacting us, have a nice day.
agent: Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?