customer: Hello, I am Jeffery Thomas. 
 agent: Hello, How can I amend you? 
 customer: I am planning to attend a music festival at Los Angeles, so can you avail me a flight ticket? 
 agent: Sure, I will assist you in booking a ticket. Can you please send me the airport codes of both locations? 
 customer: Thank you. 
 agent: Ok. 
 customer: I want to start my journey from Denver, CO-DEN to Los Angeles, CA-LAX. 
 agent: Ok, please share the boarding and landing dates. 
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 agent: Ok, please wait for a while, I will get back to you. 
 customer: Sure. 
 agent: Thanks for waiting, are you willing to travel with couple of connecting flights? 
 customer: No, I need a single connecting flight only. 
 agent: Ok, but we can not provide you a flight considering your request. Thanks for reaching us. 
 customer: No problem, I will try with another airline. Thank you.
customer: I want to depart on 04/30 and return on 05/02.