Hello.
user
Hello. How can I assist you?
assistant
Myself Gary Allen.
user
Ok.
assistant
As my trip dates have been changed. Can you help me in changing the reservation?
user
Sure, I have found your previous reservation. Please tell me your new travelling details.
assistant
My new reservation dates are from 12/28 to 12/30. My source and destination airport codes are PHX and OAK.
user
Sorry, no flights found.
assistant
It's ok, I will try on other dates. Thank you for your help.
user
Thank you for contacting us.
assistant