You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: As I have done a reservation accidentally last week with wrong airports but I have lot of ways to change my reservation but for a last try with your service. Can you please help in modification of my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for considering my request.

ASSISTANT: Can I have your name please to check your reservation status?

USER: Sure, my name is Eric Hill.

ASSISTANT: I have found your reservation so please let me know airport codes of your journey locations.

USER: Good to hear, my airport codes are IAD and ATL.

ASSISTANT: Can I have your travel dates please?

USER: Sure, my travel dates are Jan 2 and Jan 4.

ASSISTANT: There is a flight in Frontier airlines which is having connection 1. Shall I proceed with booking?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok Eric Hill, your ticket booking has done and the flight number is 1019.

USER: Thank you for booking my flight ticket with the flight 1019.

ASSISTANT: Thank you for choosing us.