You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Dorothy Taylor.

ASSISTANT: How can I support you?

USER:  I am a Guitarist want to visit Philadelphia for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: I need to leave from my nearest airport IAD to reach PHL.

ASSISTANT: Ok. Let me know your trip dates to check the flights.

USER: I want to travel on 10/20, and need to catch return flight on 10/22.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Hawaiian, flight number: 1002, price 100, 1 connection.

USER: Proceed with the booking.

ASSISTANT: Your booking has done.

USER: Thanks for the service.

ASSISTANT: Thank you.