You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Raymond White.

ASSISTANT: How can I provide assistance to you?

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

ASSISTANT: Sure, may I know on which dates you prefer to travel?

USER: I want to travel on 07/31, and need to catch return flight on 08/02.

ASSISTANT: Kindly mention your airport abbreviates?

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

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for being patience, I found a connecting flight from an UA airline with flight number 1000. Shall I go ahead with the booking?

USER: Proceed with the booking.

ASSISTANT: Your flight ticket is processed with a fare of 100.

USER: Thanks for the help.

ASSISTANT: Thanks for consulting us.