customer: Hi. 
 agent: Hello. 
 customer: I am Barbara Carter. 
 agent: How can I aid you? 
 customer: Can you please help me in flight ticket booking from OAK to SEA to attend a client meeting? 
 agent: Sure, may I know your journey dates? 
 customer: Thank you and I have planned the trip dates on 04/21 and back on 04/23. 
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 customer: That's perfect, you can book the flight ticket. 
 agent: Your ticket is reserved. 
 customer: Thank you so much for your quick assistance in my ticket booking. 
 agent: Thank you for reaching us.
agent: There is a connecting flight with fare 100, the number is 100 in airline Delta. Can I book it?