customer: Hi, I am Brian Jones. 
 agent: Hello, how may I serve you today? 
 customer: My granny fell sick suddenly so, I need a direct flight to travel from Chicago to meet her. Can you be my helping hand in this? 
 agent: Sure, please share your journey locations with airport codes. 
 customer: Sure. It's from Chicago, ORD to San Francisco, SFO. 
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 customer: I have to start my journey as soon as possible, so check flights on 05/07. I will plan my return travel on 05/09. 
 agent: Ok, please wait for a while, I will check and let you know the flight details. 
 customer: Sure. 
 agent: Sorry, no flights found on your requested travelling dates. 
 customer: Ok, thanks for the quick response. 
 agent: Thank you for opting us, hope to serve you again.
agent: Let me know when you are willing to travel, please?