customer: Hi. Nancy Perez here. 
 agent: Hello, how can I assist you now? 
 customer: I am planning to visit Boston university to collect my graduation certificate. I will fly from LAX - BOS. 
 agent: Ok, may I know the travelling dates please? 
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 agent: Please wait for a while, I will check the details and get back to you. 
 customer: Ok. 
 agent: Sorry, there are no flights found on your requested dates. 
 customer: Not a problem. 
 agent: Do you have any other dates to travel? 
 customer: It is ok. Thank you. 
 agent: Thank you for approaching us, have a nice day.
customer: I will be travelling from 03/30 and end my journey on 04/01.