customer: Hello, I am Amy Johnson. 
 agent: Hello, how can I aid you? 
 customer: I want to book a flight ticket from LGA to HOU to meet my friend, can you please help me to book a flight with single connection? 
 agent: Help me with your travel dates? 
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 agent: Ok, please wait. 
 customer: Ok. 
 agent:  Sorry, no connecting flights are available on your journey dates. 
 customer: Ok, no worries at all. Thanks for your service. 
 agent:  Thank you for opting us.
customer: My trip dates are 01/13 to 01/15.