customer: Hello. 
 agent: Hello, good morning. 
 customer: Matthew Lee here, shall you please help me in booking a ticket from HOU to DFW? 
 agent: Sure. When you are travelling to DFW? 
 customer: I am travelling to DFW on 10/31 and return from DFW on 11/02. 
 agent: As you are not responding with your details you may miss the availability. 
 customer: I have already responded, please check it again. 
 agent: There is no flight ticket available on 10/31 to DFW all tickets are already booked. 
 customer: Ok, no issues, I will look for an alternative or I will try after some days, as there is sufficient time. 
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 customer: Thank you for helping me.
agent: Ok Matthew Lee, thanks for reaching us.