customer: Hello. 
 agent: Hello, how can I assist you? 
 customer: I am Brenda Carter. Can you please help me to book a ticket with the fare of 1000? 
 agent: Sure,let me know your travelling dates? 
 customer: I have planned to travel on 10/04 and 10/06. 
 agent: Please provide your airport codes. 
 customer: My airport codes are from BOS to SFO. 
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 customer: Ok. 
 agent: Thanks for waiting, unfortunately there were no flights available based on your details. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing us.
agent: Ok, please wait a moment.