Hello. I am Linda Brown.
user
Hello, how may I serve you today?
assistant
As my grand father is in serious condition,I want to change my travelling dates. Help me in changing my recent reservation.
user
Sure, I will help you. Please wait a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your given name.
assistant
Its ok, thank you for your information.
user
Thanks for choosing us.
assistant