customer: Hi,. I am Catherine Collins. 
 agent: Hello, how can I provide assistance to you? 
 customer: I am planning to visit Arlington national cemetery hop-on hop-off tour in Washington DC - DCA. Can you avail me to book a flight with one halt? 
 agent: Sure, May I know from where you wish to board? 
 customer: I want to board from Oakland, CA - OAK. 
 agent: On which dates would you like me to book a flight ticket for you? 
 customer: I want to fly on 08/05 and recur on 08/07. 
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 customer: Ok, thanks for the information. 
 agent: Thank you for choosing us.
agent: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.