Hello.
user
Hello.
assistant
Shirley Collins here.
user
How may I assist you?
assistant
Due to sudden health issue, I am not able to travel in a flight on those date that I want to travel. So, I would like to change my reservation. Can you please help me out with that?
user
Sure, may I know your travel dates? Sorry,  please wait a moment.
assistant
Sure, take your time.
user
Sorry, there is no reservation on your name.
assistant
Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.
user
Thank you.
assistant