Hello,. I am Sandra Gonzalez.
user
Hello, how may 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 your selected airport codes?
assistant
 I need to leave from my nearest airport LAS to reach PHL.
user
Do you prefer direct flight or connecting flight?
assistant
I need a direct flight.
user
Let me know your travelling dates.
assistant
I want to travel on 05/04, and need to catch return flight on 05/06.
user
Please, wait.
assistant
Sure.
user
Thank you for being patience, there were no flights found on your given requirements.
assistant
Ok, no issues. Thanks for the information.
user
Thank you for choosing us.
assistant