customer: Hello. 
 agent: Hello. How may I be of your helping hand? 
 customer: I want to change my existing reservation due to sudden change in my trip dates. 
 agent: Ok. 
 __ 
 agent: Sure, we are here to aid you. 
 customer: Thank you. 
 agent: May I know your name to check in the reservation list for the changing process? 
 customer: I am Nicole Green. 
 agent: Please wait a while I will revert to you with the current status. 
 customer: Sure, I will wait. 
 agent: We are happy to inform you that, there is a reservation found in your name. Can you please provide me your journey details? 
 customer: I will fly from CLT my nearest airport to reach MSP. My trip dates are 02/23 and 02/25. 
 agent: Thank you for your details, there are no flights available in your preferable dates. 
 customer: Ok, no issues. Thank you for your information. 
 agent: Thank you for reaching us. Have a nice day.
customer: Can you help me in doing that?