Hello.
Hello. How may I help you out?
I am willing to change my travel dates in the past ticket, can you please help me to change the ticket details?
Sure, I will help you in changing the reservation. May I know your name please?
Thank you for accepting my request.  My name is Gary Robinson.
Sorry, there are no reservations found.
Oh! I think my ticket is not reserved properly. Anyways thank you for checking.
Thank you for reaching us.