You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Andrew Hernandez. Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: I found your reservation, could you please share me your new airport codes?

USER: My travelling airport codes are DEN to PHL?

ASSISTANT: Let me know your travel dates please?

USER: I will start on 06/11 and return on 06/13.

ASSISTANT: Do you have any depart and arrival timings?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Jet Blue Airlines is providing connecting flight with the ticket fare of 200 and depart time is 12:00 PM, arrival time is 16:00 PM. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed by flight number 1026 and an economy class.

USER: Thank you for your kind service.

ASSISTANT: Thanks for choosing us.