customer: Hi. 
 agent: Hello. How can I help you? 
 __ 
 agent: Sure, can I know the travel dates please? 
 customer: My travelling dates are 02/23 and 02/25. 
 agent: Ok, wait a moment please. 
 customer: Ok. 
 agent: May I know your name please? 
 customer: Myself Jessica Lewis. 
 agent: Sorry Lewis, there are no flights available on your dates. 
 customer: Ok, fine thank you for checking. 
 agent: Thank you for approaching us.
customer: Please help me in booking my flight ticket from SFO to OAK?