customer: Hi. I am James Hall. 
 agent: Hello. How may I help you now? 
 customer: I want to conduct a beer festival at Dallas & Fort Worth. Can you help me in my booking? 
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 customer: My origin is Boston, MA - BOS. 
 agent: Ok, when would you like to travel? 
 customer: I will start my journey on 07/03. I will return on 07/05. 
 agent: Ok, help me with your airport codes of your source and destination? 
 customer: My destination is Dallas & Fort Worth, DFW. 
 agent: Ok, please wait. 
 customer: Sure. 
 agent: Sorry, no flights are available on your specified dates. 
 customer: Not an issue. 
 agent: Thanks for contacting us, have a nice day. 
 customer: Thank you.
agent: Sure, I can help you with that. May I know from where you would like to start?