customer: Hello. My name is Anna Robinson. 
 agent: Hello Anna, how can I help you today? 
 customer: I would like to travel from PHL to PHX to meet my friend. Can you help me for booking a flight ticket? 
 agent: Sure, I will help you in booking. please share your travel dates too. 
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 agent: Please wait a moment. 
 customer: Ok, take your time. 
 agent: Sorry, no flights are available on your route. 
 customer: That's ok, thank you for your information. 
 agent: Welcome, have a nice day. Thank you for availing us.
customer: My travelling dates are 01/16 and 01/18.