customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I am Donna Moore from Houston and I want to book a flight on June 27th, so please help me. 
 agent: Do you have any return journey date? 
 customer: I intend to return on 29th June. 
 agent: Ok, let me know your locations too. 
 customer: My airport codes are IAH - LAX. 
 agent: Delta airlines providing service to you with price 100 and connection 1. Shall I book it? 
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 agent: Ok, booking is done with flight-1022. 
 customer: Thank you. 
 agent: Welcome.
customer: Ok, please proceed.