Hello.
user
Hello. How may I help you?
assistant
I want to postpon my planned trip, so I need to change the travel dates in the recent ticket. Can you help me?
user
Sure, I will help you in changing your reservation. May I Know your name please?
assistant
My name is Donald Miller.
user
Please wait a moment.
assistant
Ok, I will wait for your response.
user
Sorry, there are no reservations found on this name.
assistant
It's ok, no problem.
user
Thank you for reaching us.
assistant
Welcome.
user