customer: Hello, Emily Gonzalez here. 
 agent: Hello. Do you want me to help you with anything? 
 customer: Yes, I planned to attend for a wedding in OAK, can you help me to book the flight ticket from OAK? 
 agent:  Sure, may I know your preferable dates please? 
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 agent: Sure, give me a minute. There is a flight with price is 100 and flight number is 1004. 
 customer: Ok, please confirm my booking. 
 agent: Your ticket has been successfully confirmed by me. 
 customer: Thank you for your assistance. 
 agent: Welcome.
customer: I would like to travel on 09/11 and 09/13. Please make sure that the price should be within 500.