Hello.
user
Hello, how can I help you?
assistant
My name is Emily Edwards. I want to change my existing reservation, due to an accident. Can you please help me for that?
user
Sure, I can help you, please wait for a moment.
assistant
Ok.
user
I found you reservation, can I have your details like dates and locations?
assistant
My airport codes are IAH and DEN and my trip dates are 04/19 and 04/21.
user
Sorry, I am unable to change your reservation since, there are no flights available.
assistant
It's ok. Thank you for checking.
user
Ok, thank you for communicating with us.
assistant
Welcome.
user