customer: Hi. I am Rachel Campbell. 
 agent: Hello, how can I aid you today? 
 customer: I need to book a flight ticket from PHX to DFW, Can you please help me for booking? 
 agent: Sure, I am here to help you. On which dates would you like me to book a flight ticket for you? 
 customer: I would like to travel on 08/31 to return on 09/02. 
 __ 
 customer: Sure. 
 agent:  Thank you for waiting, we did not find any flights matching your credentials. 
 customer: Ok, no problem. 
 agent: Thank you for approaching us, have a great day. 
 customer: Thanks for your information.
agent: Ok, please wait for a while Rachel Campbell.