Hello.
user
Hello. How may I aid you at this moment?
assistant
I have reserved a a ticket last week to meet my friend but suddenly my trip got postponed. So please help me with changing my reservation.
user
Sure, we are here to help you from our agency.
assistant
Thank you.
user
Please let me know your name to check your reservation status.
assistant
Sure, myself Mary Perez.
user
Ok, please wait for a moment.
assistant
Sure, take your time.
user
We are happy to inform you that,  there is an active reservation found on your name. Please share your airport codes.
assistant
Sure, ORD and OAK are the airport codes of my locations.
user
Can you please share your travelling dates?
assistant
Sure, I have planed my travel dates as May 10 and May 12.
user
Do you have any connection limit?
assistant
Yes, I am looking for single connecting flight.
user
Do you have any airline preference?
assistant
Yes, I would prefer normal cost airlines.
user
May I know your class preference?
assistant
I am ok with any class so you can proceed with available flight.
user
Do you have any specific departure and arrival timing?
assistant
No, I am ready to travel in any time.
user
Ok, please wait for a moment.
assistant
Sure, take your time.
user
Sorry for the inconvenience, there are no flights in this route as per your travelling details.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Thank you for choosing us.
assistant
Most welcome.
user