Hello.
user
Hello.
assistant
My name is Joshua Clark.
user
OK Joshua, how may I help you?
assistant
I have already done with my flight booking, but now due to an urgent business meeting I would like to change my reservation.
user
Sure, I can help you. Wait a moment to check the details.
assistant
OK.
user
Sorry Clark, we could not find any reservation ticket on your name.
assistant
It's OK. Thank you for your information.
user
Thank you for reaching us.
assistant