Hi.
user
Hello. How may I help you at this moment?
assistant
I would like to amend an existing reservation, can you please help me?
user
Ok, I will help you with that.
assistant
Thank you.
user
On whose name the ticket was booked?
assistant
Sure, I am Larry King here.
user
We are happy to inform you that the reservation is found.  Can I know your planned trip dates?
assistant
Sure, my planned travelling dates of journey are from Jul, 19 to Jul, 21.
user
May I know your airport codes?
assistant
Sure, my recent airport codes are DCA and PHL respectively.
user
Please wait for a minute.
assistant
Sure, I will wait.
user
May I know your airline preference?
assistant
I prefer to fly in big brand airlines.
user
Ok, do you have any connection limit?
assistant
Yes, I prefer to go with a connecting flight.
user
Ok, wait for a minute.
assistant
Sure, I will wait.
user
Sorry to inform you that, there are no flight's available based on your journey details.
assistant
Ok, not an issue.
user
Thank you for reaching us.
assistant
Thank you for your information.
user