Hello.
user
Hello. How can I assist you?
assistant
Can you please help me to change my existing reservation?
user
May I know your name please?
assistant
My name is Thomas Nelson.
user
Please wait.
assistant
Sure.
user
I have found your reservation. Can I know your travelling dates?
assistant
Sure, my travelling dates are on Feb 21 and 23.
user
May I know your travelling airport codes?
assistant
Airport codes are SEA to DEN.
user
Do you have any other preference?
assistant
My depart time is morning.
user
Sorry, no flights available on your route.
assistant
Ok, thank you.
user
Thank you for reaching us.
assistant