Hello,. I am Carol Young.
user
Hello, How may I help you?
assistant
 I am a Guitarist want to visit Philadelphia for celebrating Music festival, can you please book me a flight ticket?
user
Sure, May I know the journey codes?
assistant
I need to leave from my nearest airport IAD to reach PHL.
user
Please help me with your travel dates.
assistant
I want to travel on 05/16, and need to catch return flight on 05/18.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
Ok, no issues.
user
Thank you for choosing us.
assistant
Thanks for the information.
user