Hi.
user
Hello.
assistant
I am Charles Davis.
user
How can I assist you?
assistant
I am planning for the trip to Philadelphia to visit the famous place that is Ghirardelli Square. Can you help me in reserving a flight ticket?
user
Sure, can I know your travel dates?
assistant
My travelling dates are 04/16 to 04/18.
user
Please share your airport codes.
assistant
I will fly from IAD to PHL.
user
Sorry, there is no flight available on your requested dates.
assistant
No issue, thank you.
user
You are welcome.
assistant