customer: Hello. 
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 customer:  As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation? 
 agent: Sure, I can help you with that. May I know your departure and return travel dates please? 
 customer: My journey dates are 07/25 and 07/27. 
 agent: May I know your source and destination airport codes please? 
 customer: My airport codes are BOS-DCA. 
 agent: May I know in which class and airlines do you prefer to travel? 
 customer: I do not have any preference. 
 agent: Can I have your good name please? 
 customer: Joseph Wright here. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Hawaiian airlines is providing a flight on that route with ticket fare of 100 and 1 connection, it's departure time is 19 PM and return time is 13 PM. Shall I proceed for booking? 
 customer: Go ahead. 
 agent: I have successfully booked you an economy class ticket in flight-1002, have a safe journey. 
 customer: Thank you. 
 agent: Thank you for choosing us.
agent: Hello, how can I assist you?