Hello. I am Gary Williams.
user
Hello, how can I aid you?
assistant
Due to a small mistake done in my existing reservation which was reserved last week. Would it be possible to modify my existing reservation?
user
Sure, please wait a moment I will check and let you know.
assistant
Ok.
user
Thank you for waiting. Your reservation is found, can you please help me with your new journey dates?
assistant
Ok, my new reservation dates are 03/25 and 03/27.
user
May I know your airport codes?
assistant
Sure, my source is Houston, TX-IAH and destination is San Francisco, CA-SFO.
user
Thank you for your details. Sorry, we did not found any flights on your preferences.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant