Hi.
user
Hello.
assistant
Scott Wilson here.
user
How may I assist you?
assistant
Please change my existing reservation.
user
Sure, please wait for a moment to check your details.
assistant
Sure, take your time.
user
I have found your reservation, can you help me with your travelling airport codes?
assistant
My locations are from SFO to PHL.
user
May I know your travelling dates?
assistant
My planned dates are from 10/21 and 10/23.
user
Sorry, no flight is available for you.
assistant
It's ok, thanks for your information.
user
Welcome.
assistant