Hello.
user
Hello. How can I help you?
assistant
Here is Emma Hall. Can you please help me to book a flight ticket SEA to  PHL?
user
Sure, may I know your journey dates?
assistant
Can you search the flight for these dates 05/26 and 05/28 respectively.
user
Please wait for a while.
assistant
Ok.
user
Sorry Emma , there is no flight is available on your route as per your details.
assistant
That's ok. Thank you for helping me.
user
You are welcome, have a great day.
assistant