customer: Hello. 
 agent: Hello. 
 customer: I am Kenneth Taylor. 
 agent: How can I assist you today? 
 customer: I want to attend a wedding in Chicago. Can you book a ticket from SFO to ORD? 
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 customer: I want to travel on 09/24 and 09/26. 
 agent: Please give me a moment. 
 customer: Ok, take your time. 
 agent: Thanks for waiting, there is no flights found under your preferable details. 
 customer: That's ok. Anyways, thank you for your help. 
 agent: Welcome, have a great day.
agent: Sure, will you mention your travelling dates please?