You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am David Garcia.

ASSISTANT: How can I help 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 travelling dates?

USER:  I want to travel on 08/17, and need to catch return flight on 08/19.

ASSISTANT: Can you share me your airport codes?

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

ASSISTANT: Do you have any preferences?

USER: I need a stopover in between my journey.

ASSISTANT: There is a flight 100 in JetBlue airline and price 100 with a connection. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Reservation is done.

USER: Thanks for the assistance.

ASSISTANT: Thank you.