Hello.
user
Hello.
assistant
I am Rachel Martinez.
user
How can I help you today?
assistant
Due to my ill health, I would like to change my existing reservation to Dallas. Can you help me with this?
user
Ok, please wait for a moment.
assistant
Sure, take your own time.
user
Sorry Rachel, no reservation is found.
assistant
Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.
user
Thank you for reaching us.
assistant