You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Jones.

ASSISTANT: How may I aid you today?

USER: I have an important meeting on the same dates that which I have planned for a trip, can you please help me with modifying my flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, I can wait for your response.

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

USER: My regional airport codes are from DEN to SEA locations.

ASSISTANT: Let me know your travel dates please?

USER: I want to fly on Mar 1 and return back on Mar 3rd.

ASSISTANT: Do you have any specific arrival and depart timings?

USER: I need a flight which will depart in evening time.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a single drop off.

ASSISTANT: Do you have any airline preference?

USER: I need a normal cost flight.

ASSISTANT: AA airlines is providing connecting flight with the ticket fare of 100 and depart time is 21:00 PM, arrival time is 01:00 AM. Shall I proceed?

USER:  Yes, you can proceed with booking.

ASSISTANT: Your new ticket has been confirmed by flight number 1017 and an economy class.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: Thanks for choosing us.