Hello.
user
Hello. How may I aid you today?
assistant
I need some help with changing my flight ticket booking, can you please help me with that one?
user
Sure, I am here to help you with that.
assistant
Thank you for considering  my request.
user
Could you send me your full name?
assistant
My name is Emma Lewis.
user
Ok, wait for a minute so that I will check the reservation status.
assistant
Sure, I can wait for your response.
user
Sorry to inform you that, there is no reservation found on your name in our database.
assistant
No problem with that one, thank you for checking my previous reservation.
user
Thank you for approaching us.
assistant