Hello.
user
Hello, how can I help you?
assistant
I am planning to change an existing reservation, due to health issue.Can you please change my reservation?
user
Sure, I am happy to help you in changing  the ticket details.
assistant
Thank you.
user
Can I know on which name you  have booked your existing reservation?
assistant
I am Donna Barker.
user
Donna Baker, I have found your existing reservation. Could you please tell me your planned journey dates?
assistant
Sure, I am planning to travel on Feb 10 and return back on Feb 12.
user
Ok. what are your origin and destination airport codes?
assistant
My airport codes are HOU to DEN.
user
Ok, do you need a single connecting flight or a direct flight?
assistant
I am looking for a connecting flight.
user
Is there any class preference?
assistant
No.
user
Ok, please give me sometime to check the flights in this route.
assistant
Sure.
user
I have found a flight which is having a connection limit 1 and the ticket cost is 300 in an economy class. Shall I proceed to book the ticket?
assistant
That's fine, please proceed the booking.
user
I have changed the ticket details and I have reserved the flight ticket in Spirit airlines, flight number is 1003 which departs at 14:00 PM and returns at 21:00 PM.
assistant
Thank you for your service.
user
Have a nice journey.
assistant