customer: Hi. 
 agent: Hello. 
 customer: Brian Walker here. 
 agent: How may I help you Brian? 
 customer: I want to attend a birthday party in New York. Will you please book my ticket? 
 agent: Ok, can you provide me New York airport code? 
 customer: Airport codes are SFO and LGA. 
 __ 
 customer: I want to depart on 12/09 and return by 12/11. 
 agent: There is a flight with 1 connected flight which costs 200. Flight 1003 in AA airline. 
 customer: Ok, please proceed for booking. 
 agent: Shall I book it for you? Your booking is done. 
 customer: Thank you for your service. 
 agent: Thank you for choosing us.
agent: May I know your travelling dates?