customer: Hi. 
 agent: Hello, how may I assist you? 
 customer: I am heading from Dallas & Fort Worth to meet my manager at San Francisco. Can you help me with the booking? 
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 customer: I intend to start from DFW to reach SFO. 
 agent: Please share me your trip dates. 
 customer: They are on 09/09 and 09/11. 
 agent: May I know your good name? 
 customer: My name is Karen Wright. 
 agent: There is no flight on your details. 
 customer: Ok, thank you for the information. 
 agent: Thank you.
agent: Sure, may I know your airport codes?