Hello.
user
Hello, how can I help you today?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, I am here to help you with that. Please provide me your name to check your previous reservation is active or not.
assistant
Myself Charles Hill.
user
Happy to inform you that, I found your reservation. Can you please share your travelling airport codes?
assistant
My airport codes are MCO, IAH.
user
On which dates you want me to book you ticket?
assistant
I want to fly on May 30 and return on June 01.
user
Sorry, no flights are available on your preferable travel dates.
assistant
Not an issue. Thank you.
user
Thank you for reaching us.
assistant