You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you?

USER: I am Brandon Nelson. I want to book a flight ticket to Philadelphia, as I have a tournament. Please help me out.

ASSISTANT: Sure, we will help you in booking. May I know your airport codes?

USER: I want to fly from DEN to PHL.

ASSISTANT: Ok, what are your planned dates?

USER: my planned travelling dates are from 12/09 to 12/11.

ASSISTANT: Ok, wait a moment. We found a flight in JetBlue airline with single connection having price 100. Shall I proceed with flight 1003?

USER: Please go with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.