Hello, I am William Clark.
user
Hello, How can I assist 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
Source is from LAS and destination is to PHL.
user
Please help me with your travel dates.
assistant
I want to travel on 07/10, and need to catch return flight on 07/12.
user
Please wait a second.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
Ok, no issues. Thanks for the information.
user
Thank you for reaching us.
assistant