Hello.
user
Hello. How may I assist you?
assistant
Donald Williams here. Due to sudden change in my planned date of trip, I would like to change my reservation. Can you please help me out with changing of my reservation?
user
Sure, please wait for a moment to check your details.
assistant
Sure, take your time.
user
I have found your reservation, can you help me with your new airport codes?
assistant
That's great. My new airport codes are DEN and SEA.
user
May I know your travelling dates?
assistant
Sure, I am planning to move on 12/26 and please book my return ticket on 12/28.
user
Sorry, there is no flight is available for you.
assistant
Oh! So sad to hear. Thank you for the information.
user
Thank you for choosing us, have a nice day.
assistant
Welcome.
user